CVE-2021-33536 HIGH

CVE-2021-33536: WEIDMUELLER: WLAN devices affected by Denial-of-Service vulnerability

Vendor Weidmüller
Product IE-WL(T)-BL-AP-CL-XX
Weakness CWE-191
Published June 25, 2021
Last update September 17, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 25, 2021 CVE published
September 17, 2024 Record updated