CVE-2026-41922

WDR201A WiFi Extender OS Command Injection via wireless.cgi

CVSS 9.3 CRITICALEPSS 5.0%CWE-78

Vexday Risk Score

48Atención

Decisión SSVC (CISA)

Attend

PoC disponible → seguir de cerca

CVSS 9.3EPSS 5.0%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Ciclo de vida

04 may 2026Publicada en NVD

Recomendación: Planificar corrección próxima — ya existe PoC pública.

WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the wireless.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the sz11gChannel or PIN POST parameters. Attackers can exploit unsanitized parameter handling in the set_wifi_basic and set_wifi_do_wps functions to achieve remote code execution without authentication.

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

Productos afectados

Shenzhen Yipu Commercial and Trading Co., Ltd · WDR201A WiFi Extender

PoCs públicas encontradas — 1

cve_referencemstreet97.github.io/security-research/iot/vulnerability-disclosure/ai-assisted-research/cybersecurity/cve/2026/05/04/Teaching_the_Machine_Where_to_Look.htmlno verificado

⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.

¿Quieres saber si tu infraestructura está expuesta a esto?

Hablar con TrueHacking →

Referencias

https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/ai-assisted-research/cybersecurity/cve/2026/05/04/Teaching_the_Machine_Where_to_Look.html https://www.made-in-china.com/showroom/yeapook/#:~:text=Established%20in%202015.%2CDistrict%2C%20Shenzhen%2C%20Guangdong%2C%20China https://www.vulncheck.com/advisories/wdr201a-wifi-extender-os-command-injection-via-wireless-cgi