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CWE

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CVE-2026-41923

Published: May 4, 2026

Modified: May 11, 2026

PUBLISHED

Description

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.

Vendor	Product	Versions
Shenzhen Yipu Commercial and Trading Co., Ltd	WDR201A WiFi Extender	affected `0 - <= 1.02.0`

Weaknesses (CWE)

References

https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/ai-assisted-research/cybersecurity/cve/2026/05/04/Teaching_the_Machine_Where_to_Look.html

technical-description

exploit

https://www.made-in-china.com/showroom/yeapook/#:~:text=Established%20in%202015.%2CDistrict%2C%20Shenzhen%2C%20Guangdong%2C%20China

product

https://www.vulncheck.com/advisories/wdr201a-wifi-extender-os-command-injection-via-internet-cgi

third-party-advisory

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