CVE-2024-40890
Zyxel DSL CPE OS Command Injection Vulnerability
Zyxel · DSL CPE Devices
Vulnerability details
Multiple Zyxel DSL CPE devices contain a post-authentication command injection vulnerability in the CGI program that could allow an authenticated attacker to execute OS commands via a crafted HTTP request.
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.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC