Description
** UNSUPPORTED WHEN ASSIGNED ** The remote code execution vulnerability in the CGI program “file_upload-cgi” in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute arbitrary code by uploading a crafted configuration file to a vulnerable device.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | NAS326 firmware | < V5.21(AAZF.17)C0 |
| Zyxel | NAS542 firmware | < V5.21(ABAG.14)C0 |
| zyxel | nas326_firmware | < v5.21\(aazf.17\)co |
| zyxel | nas542_firmware | < 5.21\(abag.14\)co |
References
- https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/Exploit, Third Party Advisory
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024Vendor Advisory
- https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/Exploit, Third Party Advisory
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024Vendor Advisory
Timeline
- Published
- Jun 4, 2024
- Last modified
- Jun 17, 2026
- NVD status
- Analyzed