CVE-2023-27992
Zyxel Multiple NAS Devices Command Injection Vulnerability
IN CISA KEV
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.
- Vendor
- Zyxel
- Product
- Multiple Network-Attached Storage (NAS) Devices
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-78
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2023-06-23
- Due date
- 2023-07-14
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
EPSS
82.8% chance of exploitation in the next 30 days (percentile 99th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.