Privilege escalation in Zyxel Nas326
CVE-2024-29975
** UNSUPPORTED WHEN ASSIGNED ** The improper privilege management vulnerability in the SUID executable binary in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an authenticated local attacker with administrator privileges to execute some system commands as the “root” user on a vulnerable device.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · 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-2024-29975?
- CVE-2024-29975 is a medium-severity vulnerability in Zyxel Nas326, classified under Improper Privilege Management. CVSS score: 6.7/10. Published 2024-06-04.
- How severe is CVE-2024-29975?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2024-29975 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.