CVE-2024-40891

Vulnerability details

Multiple Zyxel DSL CPE devices contain a post-authentication command injection vulnerability in the management commands that could allow an authenticated attacker to execute OS commands via Telnet.

Added to CISA KEV: 2025-02-11

Ransomware campaign use: Unknown

CISA due date: 2025-03-04

Defensive guidance from CISA

The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization if a current mitigation is unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.