Vulnerabilites related to netgear - ex6500v1_firmware
CVE-2021-34947 (GCVE-0-2021-34947)
Vulnerability from cvelistv5
Published
2024-05-07 22:54
Modified
2024-08-04 00:26
CWE
Summary
NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of the soap_block_table file. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-13055.
Impacted products
Vendor Product Version
NETGEAR R7800 Version: 1.0.2.82
Create a notification for this product.
Show details on NVD website


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Vulnerability from fkie_nvd
Published
2024-05-07 23:15
Modified
2025-08-14 01:42
Summary
NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of the soap_block_table file. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-13055.
Impacted products
Vendor Product Version
netgear d7800_firmware *
netgear d7800 -
netgear ex2700_firmware *
netgear ex2700 -
netgear ex6100_firmware *
netgear ex6100 v2
netgear ex6150_firmware *
netgear ex6150 v2
netgear ex6200_firmware *
netgear ex6200 v2
netgear ex6250_firmware *
netgear ex6250 -
netgear ex6400_firmware *
netgear ex6400 -
netgear ex6400v2_firmware *
netgear ex6400v2 -
netgear ex6410_firmware *
netgear ex6410 -
netgear ex6420_firmware *
netgear ex6420 -
netgear ex6500v1_firmware *
netgear ex6500v1 -
netgear ex7300_firmware *
netgear ex7300 -
netgear ex7300v2_firmware *
netgear ex7300v2 -
netgear ex7320_firmware *
netgear ex7320 -
netgear ex7700_firmware *
netgear ex7700 -
netgear ex8000_firmware *
netgear ex8000 -
netgear lbr1020_firmware *
netgear lbr1020 -
netgear lbr20_firmware *
netgear lbr20 -
netgear r6700ax_firmware *
netgear r6700ax -
netgear r7800_firmware *
netgear r7800 -
netgear r8900_firmware *
netgear r8900 -
netgear r9000_firmware *
netgear r9000 -
netgear rax10_firmware *
netgear rax10 -
netgear rax120_firmware *
netgear rax120 -
netgear rax120v2_firmware *
netgear rax120v2 -
netgear rax70_firmware *
netgear rax70 -
netgear rax78_firmware *
netgear rax78 -
netgear rbr10_firmware *
netgear rbr10 -
netgear rbr20_firmware *
netgear rbr20 -
netgear rbr40_firmware *
netgear rbr40 -
netgear rbr50_firmware *
netgear rbr50 -
netgear rbs10_firmware *
netgear rbs10 -
netgear rbs20_firmware *
netgear rbs20 -
netgear rbs40_firmware *
netgear rbs40 -
netgear rbs50_firmware *
netgear rbs50 -
netgear rbs50y_firmware *
netgear rbs50y -
netgear wn3000rpv2_firmware *
netgear wn3000rpv2 -
netgear wnr2000v5_firmware *
netgear wnr2000v5 -
netgear xr450_firmware *
netgear xr450 -
netgear xr500_firmware *
netgear xr500 -
netgear xr700_firmware *
netgear xr700 -



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  "descriptions": [
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      "value": "NETGEAR R7800 net-cgi Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R7800 routers. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the parsing of the soap_block_table file. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of root.\n. Was ZDI-CAN-13055."
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      "lang": "es",
      "value": "Vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo de escritura fuera de los l\u00edmites en NETGEAR R7800 net-cgi. Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar c\u00f3digo arbitrario en instalaciones afectadas de enrutadores NETGEAR R7800. No se requiere autenticaci\u00f3n para aprovechar esta vulnerabilidad. La falla espec\u00edfica existe en el an\u00e1lisis del archivo Soap_block_table. El problema se debe a la falta de una validaci\u00f3n adecuada de los datos proporcionados por el usuario, lo que puede provocar una escritura m\u00e1s all\u00e1 del final de una estructura de datos asignada. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de la ra\u00edz. Era ZDI-CAN-13055."
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  "id": "CVE-2021-34947",
  "lastModified": "2025-08-14T01:42:44.800",
  "metrics": {
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          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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        "exploitabilityScore": 2.8,
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  "published": "2024-05-07T23:15:07.653",
  "references": [
    {
      "source": "zdi-disclosures@trendmicro.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://kb.netgear.com/000064044/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2021-0129"
    },
    {
      "source": "zdi-disclosures@trendmicro.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1116/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://kb.netgear.com/000064044/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2021-0129"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1116/"
    }
  ],
  "sourceIdentifier": "zdi-disclosures@trendmicro.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "zdi-disclosures@trendmicro.com",
      "type": "Secondary"
    }
  ]
}