CVE-2026-41924 | THREATINT

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.

PUBLISHED Reserved 2026-04-22 | Published 2026-05-04 | Updated 2026-05-08 | Assigner VulnCheck

CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

Default status

unaffected

Any version

affected

Credits

Matteo Strada finder

References

mstreet97.github.io/...aching_the_Machine_Where_to_Look.html technical-description exploit

www.made-in-china.com/showroom/yeapook/ product

www.vulncheck.com/...s-command-injection-via-makerequest-cgi third-party-advisory

cve.org (CVE-2026-41924)

nvd.nist.gov (CVE-2026-41924)

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