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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2021-33536

WEIDMUELLER: WLAN devices affected by Denial-of-Service vulnerability

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Status
Published
Published
Updated
Assigning organization
CERTVDE

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Weidmüller IE-WL(T)-BL-AP-CL-XX

  • IE-WL-BL-AP-CL-EU (2536600000) to ≤ V1.16.18 (Build 18081617)affected
  • IE-WLT-BL-AP-CL-EU (2536650000) to ≤ V1.16.18 (Build 18081617)affected
  • IE-WL-BL-AP-CL-US (2536660000) to ≤ V1.16.18 (Build 18081617)affected
  • IE-WLT-BL-AP-CL-US (2536670000) to ≤ V1.16.18 (Build 18081617)affected

Weidmüller IE-WL(T)-VL-AP-CL-XX

  • IE-WL-VL-AP-BR-CL-EU (2536680000) to ≤ V1.11.10 (Build 18122616)affected
  • IE-WLT-VL-AP-BR-CL-EU (2536690000) to ≤ V1.11.10 (Build 18122616)affected
  • IE-WL-VL-AP-BR-CL-US (2536700000) to ≤ V1.11.10 (Build 18122616)affected
  • IE-WLT-VL-AP-BR-CL-US (2536710000) to ≤ V1.11.10 (Build 18122616)affected

References