Zyxel Multiple NAS Devices Command Injection Vulnerability (CVE-2023-27992)
Severity: critical · Patch status: patched · Since 2023-06-23 · CVE-2023-27992
Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability that could allow an unauthenticated attacker to execute commands remotely via a crafted HTTP request. CISA added CVE-2023-27992 to its Known Exploited Vulnerabilities catalog on Jun 23, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Jul 14, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch