CVE-2026-30703

CVSS 9.8 CRITICALEPSS 1.0%CWE-78

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.8EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a · n/a

References

https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/cybersecurity/cve/2026/02/18/From-Blackbox-to-Whitebox-Multiple-CVEs-in-a-Consumer-WiFi-Extender.html https://www.made-in-china.com/showroom/yeapook/#:~:text=Established%20in%202015.%2CDistrict%2C%20Shenzhen%2C%20Guangdong%2C%20China