Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Nas326 Firmware | < 5.21\(aazf.14\)c0 |
| Zyxel | Nas326 | - |
| Zyxel | Nas540 Firmware | < 5.21\(aatb.11\)c0 |
| Zyxel | Nas540 | - |
| Zyxel | Nas542 Firmware | < 5.21\(abag.11\)c0 |
| Zyxel | Nas542 | - |
Related Weaknesses (CWE)
References
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisPatchVendor Advisory
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisPatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-US Government Resource
FAQ
What is CVE-2023-27992?
CVE-2023-27992 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...
How severe is CVE-2023-27992?
CVE-2023-27992 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-27992?
Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Nas326 Firmware, Zyxel Nas326, Zyxel Nas540 Firmware, Zyxel Nas540, Zyxel Nas542 Firmware.