CVE-2026-41923criticalCWE-78

CVE-2026-41923: critical vulnerability in Shenzhen Yipu Commercial and Trading Co., Ltd…

WDR201A WiFi Extender OS Command Injection via internet.cgi

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48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.3epss 3.1%
WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the internet.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the gateway POST parameter. Attackers can exploit unsanitized parameter concatenation in the set_add_routing function to inject shell commands that are executed via popen() with partial output reflected in the HTTP response.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Shenzhen Yipu Commercial and Trading Co., Ltd · WDR201A WiFi Extender
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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