Zyxel NAS326 - RCE (CVE-2024-29972)
85Exploiting IPs reported
** 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 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 10th of March 2025.
CrowdSec network observations suggest that most exploitation of CVE-2024-29972 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2024-29972 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2024-29972 is currently experiencing high visibility and active exploitation across the internet.
Observed exploitation efforts target URLs containing /desktop,/cgi-bin/remote_help-cgi/favicon.ico.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
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