CVE-2021-33536 - CVE House
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Status published High CVE-2021-33536

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Weidmüller

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Affected Software

IE-WL(T)-BL-AP-CL-XX, IE-WL(T)-VL-AP-CL-XX
Vulnerable Versions:
IE-WL-BL-AP-CL-EU (2536600000), IE-WLT-BL-AP-CL-EU (2536650000), IE-WL-BL-AP-CL-US (2536660000), IE-WLT-BL-AP-CL-US (2536670000), IE-WL-VL-AP-BR-CL-EU (2536680000), IE-WLT-VL-AP-BR-CL-EU (2536690000), IE-WL-VL-AP-BR-CL-US (2536700000), IE-WLT-VL-AP-BR-CL-US (2536710000)

Timeline

Official Publish: June 25th, 2021
Last Modified: September 17th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)