Vulnerabilites related to Tenda - AC20
CVE-2025-9091 (GCVE-0-2025-9091)
Vulnerability from cvelistv5
Published
2025-08-17 02:32
Modified
2025-08-17 02:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A security flaw has been discovered in Tenda AC20 16.03.08.12. Affected by this vulnerability is an unknown functionality of the file /etc_ro/shadow. The manipulation leads to hard-coded credentials. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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{
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},
{
"lang": "de",
"value": "In Tenda AC20 16.03.08.12 ist eine Schwachstelle entdeckt worden. Hierbei betrifft es unbekannten Programmcode der Datei /etc_ro/shadow. Mittels Manipulieren mit unbekannten Daten kann eine hard-coded credentials-Schwachstelle ausgenutzt werden. Der Angriff muss lokal angegangen werden. Die Komplexit\u00e4t eines Angriffs ist eher hoch. Sie gilt als schwierig ausnutzbar. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
}
],
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CVE-2025-9046 (GCVE-0-2025-9046)
Vulnerability from cvelistv5
Published
2025-08-15 11:02
Modified
2025-08-15 13:18
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability was identified in Tenda AC20 16.03.08.12. This issue affects the function sub_46A2AC of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
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},
{
"lang": "de",
"value": "Dies betrifft die Funktion sub_46A2AC der Datei /goform/setMacFilterCfg. Mit der Manipulation des Arguments deviceList mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk passieren. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
}
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"name": "Submit #631932 | Tenda AC20 V16.03.08.12 Buffer Overflow",
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CVE-2025-8810 (GCVE-0-2025-8810)
Vulnerability from cvelistv5
Published
2025-08-10 13:02
Modified
2025-08-12 19:41
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability classified as critical was found in Tenda AC20 16.03.08.05. Affected by this vulnerability is the function strcpy of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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},
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CVE-2025-9087 (GCVE-0-2025-9087)
Vulnerability from cvelistv5
Published
2025-08-16 22:32
Modified
2025-08-16 22:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability has been found in Tenda AC20 16.03.08.12. This affects the function set_qosMib_list of the file /goform/SetNetControlList of the component SetNetControlList Endpoint. The manipulation of the argument list leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
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"version": "16.03.08.12"
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},
{
"lang": "de",
"value": "In Tenda AC20 16.03.08.12 ist eine Schwachstelle entdeckt worden. Es betrifft die Funktion set_qosMib_list der Datei /goform/SetNetControlList der Komponente SetNetControlList Endpoint. Mit der Manipulation des Arguments list mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
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"tags": [
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"url": "https://vuldb.com/?ctiid.320355"
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"url": "https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetQosBand"
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{
"tags": [
"exploit"
],
"url": "https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetQosBand#poc-python-exploit-script"
},
{
"tags": [
"product"
],
"url": "https://www.tenda.com.cn/"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-08-16T00:00:00.000Z",
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{
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},
{
"lang": "en",
"time": "2025-08-16T08:11:32.000Z",
"value": "VulDB entry last update"
}
],
"title": "Tenda AC20 SetNetControlList Endpoint set_qosMib_list stack-based overflow"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2025-9087",
"datePublished": "2025-08-16T22:32:07.366Z",
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"dateUpdated": "2025-08-16T22:32:07.366Z",
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}
CVE-2025-9088 (GCVE-0-2025-9088)
Vulnerability from cvelistv5
Published
2025-08-16 23:02
Modified
2025-08-16 23:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability was found in Tenda AC20 16.03.08.12. This vulnerability affects the function save_virtualser_data of the file /goform/formSetVirtualSer. The manipulation of the argument list leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
"containers": {
"cna": {
"affected": [
{
"product": "AC20",
"vendor": "Tenda",
"versions": [
{
"status": "affected",
"version": "16.03.08.12"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "n0ps1ed (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in Tenda AC20 16.03.08.12. This vulnerability affects the function save_virtualser_data of the file /goform/formSetVirtualSer. The manipulation of the argument list leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used."
},
{
"lang": "de",
"value": "Eine Schwachstelle wurde in Tenda AC20 16.03.08.12 gefunden. Das betrifft die Funktion save_virtualser_data der Datei /goform/formSetVirtualSer. Durch die Manipulation des Arguments list mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk angegangen werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
}
],
"metrics": [
{
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"baseSeverity": "HIGH",
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}
},
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}
},
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{
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{
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},
{
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{
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{
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"vdb-entry",
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},
{
"name": "VDB-320356 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.320356"
},
{
"name": "Submit #632038 | Tenda AC20 V16.03.08.12 Buffer Overflow",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/?submit.632038"
},
{
"tags": [
"related"
],
"url": "https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer"
},
{
"tags": [
"exploit"
],
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},
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"tags": [
"product"
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}
},
"cveMetadata": {
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CVE-2025-8939 (GCVE-0-2025-8939)
Vulnerability from cvelistv5
Published
2025-08-14 05:32
Modified
2025-08-15 12:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability was determined in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/WifiGuestSet. The manipulation of the argument shareSpeed leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
{
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{
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{
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}
],
"title": "CISA ADP Vulnrichment"
}
],
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{
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{
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{
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},
{
"status": "affected",
"version": "16.03.08.3"
},
{
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"version": "16.03.08.4"
},
{
"status": "affected",
"version": "16.03.08.5"
},
{
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"version": "16.03.08.6"
},
{
"status": "affected",
"version": "16.03.08.7"
},
{
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},
{
"status": "affected",
"version": "16.03.08.9"
},
{
"status": "affected",
"version": "16.03.08.10"
},
{
"status": "affected",
"version": "16.03.08.11"
},
{
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}
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},
{
"lang": "de",
"value": "Es geht dabei um eine nicht klar definierte Funktion der Datei /goform/WifiGuestSet. Dank der Manipulation des Arguments shareSpeed mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk passieren. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
}
],
"metrics": [
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},
{
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"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/?ctiid.319902"
},
{
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"tags": [
"third-party-advisory"
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},
{
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"related"
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},
{
"tags": [
"exploit"
],
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},
{
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"product"
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{
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}
},
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CVE-2025-8940 (GCVE-0-2025-8940)
Vulnerability from cvelistv5
Published
2025-08-14 05:32
Modified
2025-08-15 12:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this vulnerability is the function strcpy of the file /goform/saveParentControlInfo. The manipulation of the argument Time leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
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{
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{
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}
],
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"timestamp": "2025-08-15T12:13:16.584763Z",
"version": "2.0.3"
},
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}
}
],
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],
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}
],
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}
],
"cna": {
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{
"product": "AC20",
"vendor": "Tenda",
"versions": [
{
"status": "affected",
"version": "16.03.08.0"
},
{
"status": "affected",
"version": "16.03.08.1"
},
{
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"version": "16.03.08.2"
},
{
"status": "affected",
"version": "16.03.08.3"
},
{
"status": "affected",
"version": "16.03.08.4"
},
{
"status": "affected",
"version": "16.03.08.5"
},
{
"status": "affected",
"version": "16.03.08.6"
},
{
"status": "affected",
"version": "16.03.08.7"
},
{
"status": "affected",
"version": "16.03.08.8"
},
{
"status": "affected",
"version": "16.03.08.9"
},
{
"status": "affected",
"version": "16.03.08.10"
},
{
"status": "affected",
"version": "16.03.08.11"
},
{
"status": "affected",
"version": "16.03.08.12"
}
]
}
],
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{
"lang": "en",
"type": "reporter",
"value": "QMSSDXN (VulDB User)"
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{
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},
{
"lang": "de",
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}
],
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"tags": [
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"url": "https://vuldb.com/?ctiid.319903"
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{
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}
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CVE-2025-9090 (GCVE-0-2025-9090)
Vulnerability from cvelistv5
Published
2025-08-17 02:02
Modified
2025-08-17 02:02
Severity ?
2.1 (Low) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RC:R
6.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RC:R
6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RC:R
6.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RC:R
VLAI Severity ?
EPSS score ?
Summary
A vulnerability was identified in Tenda AC20 16.03.08.12. Affected is the function websFormDefine of the file /goform/telnet of the component Telnet Service. The manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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{
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"Telnet Service"
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},
{
"lang": "de",
"value": "In Tenda AC20 16.03.08.12 wurde eine Schwachstelle gefunden. Dabei betrifft es die Funktion websFormDefine der Datei /goform/telnet der Komponente Telnet Service. Mittels dem Manipulieren mit unbekannten Daten kann eine command injection-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
}
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CVE-2025-9089 (GCVE-0-2025-9089)
Vulnerability from cvelistv5
Published
2025-08-16 23:32
Modified
2025-08-16 23:32
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability was determined in Tenda AC20 16.03.08.12. This issue affects the function sub_48E628 of the file /goform/SetIpMacBind. The manipulation of the argument list leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
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},
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"lang": "de",
"value": "Es wurde eine Schwachstelle in Tenda AC20 16.03.08.12 entdeckt. Dies betrifft die Funktion sub_48E628 der Datei /goform/SetIpMacBind. Durch Manipulation des Arguments list mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk passieren. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
}
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CVE-2025-8131 (GCVE-0-2025-8131)
Vulnerability from cvelistv5
Published
2025-07-25 04:32
Modified
2025-07-25 11:55
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability was found in Tenda AC20 16.03.08.05. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /goform/SetStaticRouteCfg. The manipulation of the argument list leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2025-8160 (GCVE-0-2025-8160)
Vulnerability from cvelistv5
Published
2025-07-25 15:02
Modified
2025-07-25 15:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
A vulnerability classified as critical has been found in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/SetSysTimeCfg of the component httpd. The manipulation of the argument timeZone leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
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Vulnerability from fkie_nvd
Published
2025-08-10 14:15
Modified
2025-08-14 16:29
Severity ?
Summary
A vulnerability classified as critical was found in Tenda AC20 16.03.08.05. Affected by this vulnerability is the function strcpy of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cna@vuldb.com | https://github.com/LaiwanHundun/CVE/blob/main/cve1 | Exploit, Third Party Advisory | |
| cna@vuldb.com | https://vuldb.com/?ctiid.319339 | Permissions Required, VDB Entry | |
| cna@vuldb.com | https://vuldb.com/?id.319339 | Third Party Advisory, VDB Entry | |
| cna@vuldb.com | https://vuldb.com/?submit.627394 | Third Party Advisory, VDB Entry | |
| cna@vuldb.com | https://www.tenda.com.cn/ | Product | |
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | https://github.com/LaiwanHundun/CVE/blob/main/cve1 | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenda | ac20_firmware | 16.03.08.05 | |
| tenda | ac20 | - |
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Vulnerability from fkie_nvd
Published
2025-07-25 05:15
Modified
2025-08-05 19:30
Severity ?
Summary
A vulnerability was found in Tenda AC20 16.03.08.05. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /goform/SetStaticRouteCfg. The manipulation of the argument list leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cna@vuldb.com | https://github.com/Thir0th/Thir0th-CVE/blob/main/Tenda_AC20_V16.03.08.05_has_a_stack_overflow.md | Exploit, Third Party Advisory | |
| cna@vuldb.com | https://vuldb.com/?ctiid.317527 | Permissions Required, VDB Entry | |
| cna@vuldb.com | https://vuldb.com/?id.317527 | Third Party Advisory, VDB Entry | |
| cna@vuldb.com | https://vuldb.com/?submit.619769 | Third Party Advisory, VDB Entry | |
| cna@vuldb.com | https://www.tenda.com.cn/ | Product | |
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | https://github.com/Thir0th/Thir0th-CVE/blob/main/Tenda_AC20_V16.03.08.05_has_a_stack_overflow.md | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenda | ac20_firmware | 16.03.08.05 | |
| tenda | ac20 | - |
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Vulnerability from fkie_nvd
Published
2025-07-25 15:15
Modified
2025-08-05 19:21
Severity ?
Summary
A vulnerability classified as critical has been found in Tenda AC20 up to 16.03.08.12. Affected is an unknown function of the file /goform/SetSysTimeCfg of the component httpd. The manipulation of the argument timeZone leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cna@vuldb.com | https://github.com/CH13hh/cve/blob/main/tenda1.md | Exploit, Third Party Advisory | |
| cna@vuldb.com | https://vuldb.com/?ctiid.317574 | Permissions Required, VDB Entry | |
| cna@vuldb.com | https://vuldb.com/?id.317574 | Third Party Advisory, VDB Entry | |
| cna@vuldb.com | https://vuldb.com/?submit.620625 | Third Party Advisory, VDB Entry | |
| cna@vuldb.com | https://www.tenda.com.cn/ | Product |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenda | ac20_firmware | 16.03.08.12 | |
| tenda | ac20 | - |
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"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "cna@vuldb.com",
"type": "Secondary"
}
]
},
"published": "2025-07-25T15:15:30.330",
"references": [
{
"source": "cna@vuldb.com",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://github.com/CH13hh/cve/blob/main/tenda1.md"
},
{
"source": "cna@vuldb.com",
"tags": [
"Permissions Required",
"VDB Entry"
],
"url": "https://vuldb.com/?ctiid.317574"
},
{
"source": "cna@vuldb.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://vuldb.com/?id.317574"
},
{
"source": "cna@vuldb.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://vuldb.com/?submit.620625"
},
{
"source": "cna@vuldb.com",
"tags": [
"Product"
],
"url": "https://www.tenda.com.cn/"
}
],
"sourceIdentifier": "cna@vuldb.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
},
{
"lang": "en",
"value": "CWE-120"
}
],
"source": "cna@vuldb.com",
"type": "Primary"
}
]
}