June 23, 2023 · Applied Cybernetics Group
CVE-2023-27992 — Zyxel Multiple Network-Attached Storage (NAS) Devices
Zyxel Multiple NAS Devices Command Injection Vulnerability
- Added to KEV
2023-06-23- Federal due date
2023-07-14- Vendor
- Zyxel
- Product
- Multiple Network-Attached Storage (NAS) Devices
- EPSS
- 99.7th percentile (score 0.838, as of
2026-09-16) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-27992
CISA short description
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.
Required action
Apply updates per vendor instructions.