CVE-2024-29972 in the critical feed json
** UNSUPPORTED WHEN ASSIGNED ** The command injection vulnerability in the CGI program "remote_help-cgi" in Zyxel NAS326 firmware versions…
published 2024-06-04 2 y ago modified 2026-11-03 5 d ago also EUVD-2024-26946
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 90.3%
- EPSS 90.3% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
** 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.
Patch / fix
- zyxel nas326_firmware v5.21\(aazf.17\)co
- zyxel nas542_firmware 5.21\(abag.14\)co
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
90.35% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Zyxel NAS326 Firmware < V5.21(AAZF.17)C0 - NsaRescueAngel Backdoor Account nuclei detection template
- outpost24.com https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Zyxel NAS326 firmware
- Zyxel NAS542 firmware
- zyxel nas326_firmware
- zyxel nas542_firmware
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
outpost24.com
/blog/zyxel-nas-critical-vulnerabilities/
exploit, third-party-advisory
-
zyxel.com
/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06
vendor-advisory
Sources
- CVE List CVE-2024-29972
- NVD CVE-2024-29972
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