RCE in Zyxel Nas326
CVE-2024-29972
** UNSUPPORTED WHEN ASSIGNED ** The command injection vulnerability in the CGI program "remote_help-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 some operating system (OS) commands by sending a crafted HTTP POST request.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.893 (99.8th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.893 · newest: 0.893 · change: 0.000
Affected products
- Zyxel Nas326
- Zyxel Nas326 Firmware — versions < V5.21(AAZF.17)C0
- Zyxel Nas326 Firmware
- Zyxel Nas542
- Zyxel Nas542 Firmware — versions < V5.21(ABAG.14)C0
- Zyxel Nas542 Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for… (vendor-advisory, Vendor Advisory)
- outpost24.com/blog/zyxel-nas-critical-vulnerabilities/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-29972?
- CVE-2024-29972 is a critical-severity vulnerability in Zyxel Nas326, classified under OS Command Injection. CVSS score: 9.8/10. Published 2024-06-04.
- How severe is CVE-2024-29972?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2024-29972 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.