Vulnerabilities CVE-2026-41922

CVE-2026-41922

Critical

Open

TLP:CLEAR

WDR201A WiFi Extender OS Command Injection via wireless.cgi

NVD CVE.org

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Description

WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the wireless.cgi binary that allow 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.

Details

CVSS Score: 9.3
EPSS Score ⓘ: 4.98%

91.5th percentile
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
Confidence: 90%
Published: May 4, 2026
Last Modified: May 8, 2026

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