VULNERABILITY INTELLIGENCE

CVE-2021-33536

CVSS score7.5 HIGH
EPSS probability1.04%
CISA KEVNot currently listed
Published2021-06-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • info@cert.vde.com: CWE-191

Primary references