CVE-2023-27992: Zyxel Multiple NAS Devices Command Injection Vulnerability
In CISA’s Known Exploited Vulnerabilities catalog: Zyxel Multiple NAS Devices Command Injection Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
Description
The pre-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands remotely by sending a crafted HTTP request.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · CWE-78
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Zyxel: NAS326 firmwareZyxel: NAS540 firmwareZyxel: NAS542 firmware
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-pre… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)