netVigilance Vulnerability intelligence since 2004
CVE-2022-30525 · netVigilance record NV22-0351

Zyxel Multiple Firewalls OS Command Injection

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2022-06-06 · passed 4 years 3 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

A command injection vulnerability in the CGI program of some Zyxel firewall versions could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.

Who is affected

Zyxel Multiple Firewalls. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Weakness class: CWE-78.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 3 months ago

Sources