Vulnerability · Published Jun 4, 2024 · Assigned by Zyxel
CVE-2024-29974
Critical 9.8
In plain English
A critical-severity unrestricted file upload in NAS326 firmware from Zyxel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 22.8% (higher than 98% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)22.8%top 2.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | NAS326 firmware | < V5.21(AAZF.17)C0 |
| Zyxel | NAS542 firmware | < V5.21(ABAG.14)C0 |
Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H