CVE-2024-29974

Name: CVE-2024-29974
Creator: NVD / NIST
Published: 2024-06-04T02:15:48.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 22.78%

Last modified Jun 17, 2026

CVE-2024-29974 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. ** 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.. EPSS estimates a 22.78% chance of exploitation in the next 30 days.

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:H

EPSS Probability

22.78%

97.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Zyxel	Nas326 Firmware	< 5.21\(aazf.17\)c0
Zyxel	Nas542 Firmware	< 5.21\(abag.14\)c0

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
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-29974?

How severe is CVE-2024-29974?

CVE-2024-29974 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 22.78% probability of exploitation in the next 30 days.

How do I fix CVE-2024-29974?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-29974?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST