Zyxel Multiple NAS Devices OS Command Injection Vulnerability (CVE-2020-9054)
Severity: critical · Patch status: patched · Since 2022-03-25 · CVE-2020-9054
Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code. CISA added CVE-2020-9054 to its Known Exploited Vulnerabilities catalog on Mar 25, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Apr 15, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
