CVE-2026-41922 CRITICAL

CVE-2026-41922: WDR201A WiFi Extender OS Command Injection via wireless.cgi

Vendor Shenzhen Yipu Commercial And Trading Co., Ltd
Product WDR201A WiFi Extender
Weakness CWE-78
Published May 4, 2026
Last update May 26, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 4, 2026 CVE published
May 26, 2026 Record updated