CVE-2021-33536 (GCVE-0-2021-33536)
Vulnerability from cvelistv5
Published
2021-06-25 18:26
Modified
2024-09-17 03:38
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Summary
In Weidmueller Industrial WLAN devices in multiple versions an exploitable denial-of-service vulnerability exists in ServiceAgent functionality. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.
References
Impacted products
Vendor Product Version
Weidmüller IE-WL(T)-BL-AP-CL-XX Version: IE-WL-BL-AP-CL-EU (2536600000)   <
Version: IE-WLT-BL-AP-CL-EU (2536650000)   <
Version: IE-WL-BL-AP-CL-US (2536660000)   <
Version: IE-WLT-BL-AP-CL-US (2536670000)   <
Create a notification for this product.
   Weidmüller IE-WL(T)-VL-AP-CL-XX Version: IE-WL-VL-AP-BR-CL-EU (2536680000)   <
Version: IE-WLT-VL-AP-BR-CL-EU (2536690000)   <
Version: IE-WL-VL-AP-BR-CL-US (2536700000)   <
Version: IE-WLT-VL-AP-BR-CL-US (2536710000)   <
Create a notification for this product.
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  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.