CVE-2026-41925 WDR201A WiFi Extender OS Command Injection via adm.cgi (reboot_time)
Unauthenticated attackers can execute arbitrary shell commands on the WDR201A WiFi Extender by injecting malicious input into the reboot_time parameter.
- 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-2026-41925?
CVE-2026-41925 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 adm.cgi binary's reboot_time function that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the reboot_time POST parameter. Attackers can send a crafted request with shell metacharacters in the reboot_time parameter when reboot_enabled=1 to achieve remote code execution.
Weakness: CWE-78
Which versions are affected by CVE-2026-41925?
How do I fix CVE-2026-41925?
No fix has been published for CVE-2026-41925 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-2026-41925 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-41925 exists.
Sources
Also known as GHSA-rcvc-m8x7-hg25.