WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the makeRequest.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the set_time or StartSniffer functions. Attackers can craft a POST request with specially crafted ampersand-delimited parameters to bypass input sanitization and execute commands with a maximum length of 31 bytes through the date command or channel parameter processing.
History

Wed, 06 May 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Shenzhen Yuner Yipu
Shenzhen Yuner Yipu wifi Extender Wdr201a
Vendors & Products Shenzhen Yuner Yipu
Shenzhen Yuner Yipu wifi Extender Wdr201a

Mon, 04 May 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 04 May 2026 19:30:00 +0000

Type Values Removed Values Added
Description WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the makeRequest.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the set_time or StartSniffer functions. Attackers can craft a POST request with specially crafted ampersand-delimited parameters to bypass input sanitization and execute commands with a maximum length of 31 bytes through the date command or channel parameter processing.
Title WDR201A WiFi Extender OS Command Injection via makeRequest.cgi
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 9.3, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-05-04T19:12:20.604Z

Updated: 2026-05-04T20:17:14.500Z

Reserved: 2026-04-22T18:50:43.619Z

Link: CVE-2026-41924

cve-icon Vulnrichment

Updated: 2026-05-04T20:17:11.387Z

cve-icon NVD

Status : Deferred

Published: 2026-05-04T20:16:19.153

Modified: 2026-05-05T19:47:31.297

Link: CVE-2026-41924

cve-icon Redhat

No data.