CVE-2026-41925

CRITICAL

WDR201A WiFi Extender OS Command Injection via adm.cgi (reboot_time)

Title source: cna

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.

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-adm-cgi-reboot-time

Scores

CVSS v4 9.3

EPSS 0.0064

EPSS Percentile 70.7%

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