CVE-2026-41925
Critical
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.
SeverityCritical
CVSS9.3
Exploit probability—
ProductWDR201A WiFi Extender
PublishedMay 4, 2026
First seenMay 4, 2026
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Shenzhen Yipu Commercial and Trading Co., Ltd WDR201A WiFi Extender | v ≤ 1.02.0 | — |
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