Vulnerability record · CVE-2026-30703 · published 18 March 2026

CVE-2026-30703: OS command injection vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 2.0% · top 20.4% CWE-78 · OS command injection Awaiting Analysis

9.8CVSS 3.1 base score

2.0%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

3References

17 Jun 2026Last modified by NVD

Description

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

References

Link	Tags
https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/cybersecurity/cve/2026/02/18/From-Blackbox-to
https://www.made-in-china.com/showroom/yeapook/#:~:text=Established%20in%202015.%2CDistrict%2C%20Shenzhen%2C%20Guangdong
https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/cybersecurity/cve/2026/02/18/From-Blackbox-to

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Source: NIST National Vulnerability Database (record CVE-2026-30703), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.