CVE-2026-41924

CRITICAL

WDR201A WiFi Extender OS Command Injection via makeRequest.cgi

Title source: cna

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.

References (3)

Core 3

Core References

Exploit technical-description exploit

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

Product product

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

Third Party Advisory third-party-advisory

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

Scores

CVSS v4 9.3

EPSS 0.0030

EPSS Percentile 53.3%

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact total

Details

CWE

CWE-78

Status published

Products (2)

Shenzhen Yipu Commercial and Trading Co., Ltd/WDR201A WiFi Extender < 1.02

Shenzhen Yipu Commercial and Trading Co., Ltd/WDR201A WiFi Extender < 1.02.0

Published May 04, 2026

Tracked Since May 05, 2026