# CVE-2024-29972: Zyxel NAS326 - RCE

> Live exploitation tracking for CVE-2024-29972 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2024-29972

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 9.8
- **Public exploit available:** Yes
- **Affected products:** Zyxel NAS542
- **Weaknesses:** CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'))
- **Tags:** nas

## Description

** 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.

## CrowdSec analysis

[CVE-2024-29972](https://euvd.enisa.europa.eu/vulnerability/CVE-2024-29972) is a critical command injection vulnerability in Zyxel network-attached storage products, where unauthenticated attackers can execute operating system commands via a vulnerable CGI endpoint.

CrowdSec has been tracking this vulnerability and its exploits since 9th of October 2024.

CrowdSec has not observed any significant exploitation activity targeting CVE-2024-29972 across its network. As a result, no community-driven trend analysis is available for this vulnerability at this time.

Observed exploitation efforts target URLs containing `/desktop,/cgi-bin/remote_help-cgi/favicon.ico`.

## Timeline

- 2024-06-04: CVE Published. CVE-2024-29972 is published to NVD.
- 2024-10-09: Rule Released. CrowdSec releases a rule to detect CVE-2024-29972 exploitation attempts against the CrowdSec Network.
- 2024-11-23: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2024-29972 for the first time.

## References

- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nas-products-06-04-2024
- https://outpost24.com/blog/zyxel-nas-critical-vulnerabilities/
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-29972.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2024-29972) follows observed exploitation activity for CVE-2024-29972. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.