Zyxel DSL CPE OS Command Injection Vulnerability
Description
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.
What to do
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.
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Details
- Vendor
- Zyxel
- Product
- Zyxel DSL CPE
- CVE
- CVE-2024-40890
- Affected versions
- VMG4325-B10A firmware 1.00: up to 1.00(AAFR.4)C0_20170615 (from the advisory and NVD; check the exact builds in the official advisory)
- CVSS score
- 8.8
- Actively exploited
- Yes, listed in the CISA Known Exploited Vulnerabilities catalog
- CISA due date
- March 4, 2025 (deadline for US federal agencies: a good benchmark for you too)
- Source
- CISA KEV – original advisory
- Published
- February 11, 2025
The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.