Zyxel Multiple Firewalls OS Command Injection Vulnerability (CVE-2022-30525)
Severity: critical · Patch status: patched · Since 2022-05-16 · CVE-2022-30525
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. CISA added CVE-2022-30525 to its Known Exploited Vulnerabilities catalog on May 16, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jun 6, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
