CVE-2024-6342: zyxel nas326_firmware OS Command Injection
Vulnerability summary
CVE-2024-6342 is a critical (CVSS 9.8) OS Command Injection vulnerability in zyxel nas326_firmware. EPSS estimates a 2.06% chance of exploitation in the next 30 days, higher than 81.1% of scored vulnerabilities.
Timeline
- 10-09-2024PublishedVulnerability first disclosed.
- 10-09-2024Last modifiedVulnerability information updated.
Description
**UNSUPPORTED WHEN ASSIGNED** A command injection vulnerability in the export-cgi program of Zyxel NAS326 firmware versions through V5.21(AAZF.18)C0 and NAS542 firmware versions through V5.21(ABAG.15)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.06%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.06% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Zyxel4 products
- nas326_firmware< 5.21\(aazf.18\)c0 | 5.21\(aazf.18\)c0
- nas326 firmware≤ V5.21(AAZF.18)C0
- nas542_firmware< 5.21\(abag.15\)c0 | 5.21\(abag.15\)c0
- nas542 firmware≤ V5.21(ABAG.15)C0
1 vendor · 4 products
References
1 links- www.zyxel.com/global/…Vendor Advisory