Zyxel NAS326 - RCE (CVE-2024-29972)
97Exploiting 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.
Data from the CrowdSec community indicates that exploitation of CVE-2024-29972 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. In addition, according to the CrowdSec network, attack volume against CVE-2024-29972 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.
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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