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CVE-2024-40891 - Zyxel DSL CPE OS Command Injection Vulnerability

Zyxel | DSL CPE Devices

  • Date Added:
  • 2025-02-11
  • Due Date:
  • 2025-03-04
Vulnerability Name

Zyxel DSL CPE OS Command Injection Vulnerability

Description

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.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

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.

Additional Notes
https://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 ; https://www.zyxel.com/service-provider/global/en/security-advisories/zyxel-security-advisory-command-injection-insecure-in-certain-legacy-dsl-cpe-02-04-2025 ; https://nvd.nist.gov/vuln/detail/CVE-2024-40891

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