Critical severity9.8NVD Advisory· Published Mar 18, 2026· Updated Jun 17, 2026

CVE-2026-30703

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WiFi Extender WDR201A/WiFi Extender WDR201Adescription
Yeapook/Wdr201a Wifi Extenderllm-fuzzy
Range: V2.1, LFMZX28040922V1.02

Patches

Vulnerability mechanics

References

mstreet97.github.io/security-research/iot/vulnerability-disclosure/cybersecurity/cve/2026/02/18/From-Blackbox-to-Whitebox-Multiple-CVEs-in-a-Consumer-WiFi-Extender.htmlnvd
www.made-in-china.com/showroom/yeapook/nvd

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