CVE-2026-41922: critical vulnerability in Shenzhen Yipu Commercial and Trading Co., Ltd…
WDR201A WiFi Extender OS Command Injection via wireless.cgi
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.3epss 5.0%
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
public PoCs found — 1
cve_referencemstreet97.github.io/security-research/iot/vulnerability-disclosure/ai-assisted-research/cybersecurity/cve/2026/05/04/Teaching_the_Machine_Where_to_Look.htmlunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Shenzhen Yipu Commercial and Trading Co., Ltd…
In the same product, most dangerous first.
CVE-2026-41925CRITICALWDR201A WiFi Extender OS Command Injection via adm.cgi (reboot_time)EPSS 4.0%CVE-2026-41924CRITICALWDR201A WiFi Extender OS Command Injection via makeRequest.cgiEPSS 3.2%CVE-2026-41923CRITICALWDR201A WiFi Extender OS Command Injection via internet.cgiEPSS 3.1%CVE-2026-41926CRITICALWDR201A WiFi Extender OS Command Injection via firewall.cgiEPSS 1.2%CVE-2026-41927HIGHWDR201A WiFi Extender Stack-Based Buffer Overflow via firewall.cgiEPSS 0.4%
References
https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/ai-assisted-research/cybersecurity/cve/2026/05/04/Teaching_the_Machine_Where_to_Look.htmlhttps://www.made-in-china.com/showroom/yeapook/#:~:text=Established%20in%202015.%2CDistrict%2C%20Shenzhen%2C%20Guangdong%2C%20Chinahttps://www.vulncheck.com/advisories/wdr201a-wifi-extender-os-command-injection-via-wireless-cgi