CVE-2024-40890 · netVigilance record NV25-0026
Zyxel DSL CPE OS Command Injection
past due
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.
CISA deadline 2025-03-04 · passed 1 year 6 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Zyxel DSL CPE Devices. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-78.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 1 year 6 months ago
Sources
- NVD entry for CVE-2024-40890 nvd.nist.gov/vuln/detail/CVE-2024-40890
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- zyxel.com www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-insecure-default-credentials-vulnerabilities-in-certain-legacy-dsl-cpe-02-04-2025
- zyxel.com www.zyxel.com/service-provider/global/en/security-advisories/zyxel-security-advisory-command-injection-insecure-in-certain-legacy-dsl-cpe-02-04-2025
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2024-40890