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Description

A command injection vulnerability exists in the web management interface of the WiFi Extender WDR201A (HW V2.1, FW LFMZX28040922V1.02). The adm.cgi endpoint improperly sanitizes user-supplied input provided to a command-related parameter in the sysCMD functionality.

PUBLISHED Reserved 2026-03-04 | Published 2026-03-18 | Updated 2026-03-23 | Assigner mitre

References

mstreet97.github.io/...CVEs-in-a-Consumer-WiFi-Extender.html exploit

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

mstreet97.github.io/...CVEs-in-a-Consumer-WiFi-Extender.html

cve.org (CVE-2026-30703)

nvd.nist.gov (CVE-2026-30703)

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