# CVE-2024-29973: Zyxel NAS326 - SQLi

> Live exploitation tracking for CVE-2024-29973 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-2024-29973

## Key facts

- **Exploitation phase:** Background Noise. Continuous low-level scanning or exploitation attempts are observed, mostly opportunistic and automated.
- **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 “setCookie” parameter 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-2024-29973](https://euvd.enisa.europa.eu/vulnerability/CVE-2024-29973) is a critical command injection vulnerability affecting Zyxel NAS devices, allowing unauthenticated attackers to execute arbitrary operating system commands through crafted requests.

CrowdSec has been tracking this vulnerability and its exploits since 7th of August 2024.

CrowdSec network data shows that most actors exploiting CVE-2024-29973 rely on broad, untargeted scans with minimal filtering. The activity is largely automated and opportunistic in nature.
Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2024-29973 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2024-29973 is currently experiencing high visibility and active exploitation across the internet.

Observed exploitation attempts typically involve requests to URLs containing `register_main/setcookie`.

## Timeline

- 2024-06-04: CVE Published. CVE-2024-29973 is published to NVD.
- 2024-08-07: Rule Released. CrowdSec releases a rule to detect CVE-2024-29973 exploitation attempts against the CrowdSec Network.
- 2024-11-23: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2024-29973 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-2024-29973.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2024-29973) follows observed exploitation activity for CVE-2024-29973. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.