CVE-2026-41924 WDR201A WiFi Extender OS Command Injection via makeRequest.cgi

Critical 9.3 Published Updated

Unauthenticated remote attackers can execute arbitrary shell commands on the WDR201A WiFi Extender via OS command injection in makeRequest.cgi.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-41924?

CVE-2026-41924 is a critical command injection vulnerability in Shenzhen Yipu Commercial and Trading Co., Ltd WDR201A WiFi Extender, published on 4 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the makeRequest.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the set_time or StartSniffer functions. Attackers can craft a POST request with specially crafted ampersand-delimited parameters to bypass input sanitization and execute commands with a maximum length of 31 bytes through the date command or channel parameter processing.

Weakness: CWE-78

Which versions are affected by CVE-2026-41924?

How do I fix CVE-2026-41924?

No fix has been published for CVE-2026-41924 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-41924 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-41924 exists.

Sources

Also known as GHSA-fchj-4xr4-27f8.

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