CVE-2024-29972 (GCVE-0-2024-29972)
Vulnerability from cvelistv5 – Published: 2024-06-04 01:24 – Updated: 2024-08-02 01:17 Unsupported When AssignedSummary
** 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.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-04 00:00 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zyxel.com/global/en/support/security-… | vendor-advisory |
| https://outpost24.com/blog/zyxel-nas-critical-vul… |
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Zyxel | NAS326 firmware |
Affected:
< V5.21(AAZF.17)C0
|
|
| Zyxel | NAS542 firmware |
Affected:
< V5.21(ABAG.14)C0
|
|
| zyxel | nas326_firmware |
Affected:
0 , < v5.21\(aazf.17\)co
(custom)
cpe:2.3:o:zyxel:nas326_firmware:-:*:*:*:*:*:*:* |
|
| zyxel | nas542_firmware |
Affected:
0 , < 5.21\(abag.14\)co
(custom)
cpe:2.3:o:zyxel:nas542_firmware:-:*:*:*:*:*:*:* |
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f1fcf5d7-2f32-45f4-8efb-d14bf108b731
Exploited: Yes
Timestamps
First Seen: 2026-07-15
Asserted: 2026-07-15
Scope
Notes: ** UNSUPPORTED WHEN ASSIGNED **
The command injection vulnerability in the CGI program "remote_help-cgi" in Zyxel NAS326 firmware versions before... | Affected: Zyxel / NAS326 firmware, NAS542 firmware | CVSS: 9.8 (CRITICAL) | EPSS: 0.89326 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | ** UNSUPPORTED WHEN ASSIGNED ** The command injection vulnerability in the CGI program "remote_help-cgi" in Zyxel NAS326 firmware versions before... |
| Cve Id | CVE-2024-29972 |
| Vendor | Zyxel |
| Ghsa Id | None |
| Product | NAS326 firmware, NAS542 firmware |
| Added Date | 2026-07-15T07:39:00.456Z |
| Cvss Score | 9.8 |
| Epss Score | 0.89326 |
| Previous Ids | |
| Cvss Severity | CRITICAL |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.9978 |
| Used In Malware | unknown |
| Vulnerability Id | CVE-2024-29972 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | True |
References
Created: 2026-10-02 09:09 CEST
| Updated: 2026-10-02 09:09 CEST
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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