CVE-2024-29974NAS326 firmware Unrestricted File Upload
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…
Published Jun 7, 2024 · Updated Aug 2, 2024
Key Facts
Patch in the next maintenance window- CVE-2024-29974 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting NAS326 firmware (Zyxel), NAS542 firmware (Zyxel).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 23% probability of exploitation in the next 30 days.
- Fixed versions are available, including NAS326 firmware 5.21\(aazf.17\)c0, NAS542 firmware 5.21\(abag.14\)c0.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
23%
Higher than 97.7% of all scored CVEs
Exploit maturity
None known
ATLAS score
38/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
None known
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
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.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| NAS326 firmwareZyxel | >= < V5.21(AAZF.17)C0 | 5.21\(aazf.17\)c0 |
| NAS542 firmwareZyxel | >= < V5.21(ABAG.14)C0 | 5.21\(abag.14\)c0 |
Patched Releases
NAS326 firmware
5.21\(aazf.17\)c0
NAS542 firmware
5.21\(abag.14\)c0
Timeline
Publicly disclosed
Jun 7, 2024
Last updated
Aug 2, 2024
Weakness Type
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
FAQ
Common Questions.
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 fi…
Affected: NAS326 firmware (Zyxel) versions >= < V5.21(AAZF.17)C0; NAS542 firmware (Zyxel) versions >= < V5.21(ABAG.14)C0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including NAS326 firmware 5.21\(aazf.17\)c0, NAS542 firmware 5.21\(abag.14\)c0.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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