CVE-2026-30703

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-30703
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 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
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
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
Configurations

No configuration.

History

23 Mar 2026, 16:16

Type Values Removed Values Added
CWE CWE-78
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
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://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 -

18 Mar 2026, 18:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-18 18:16

Updated : 2026-03-23 16:16

NVD link : CVE-2026-30703

Mitre link : CVE-2026-30703

CVE.ORG link : CVE-2026-30703

JSON object : View

Products Affected

No product.

CWE
CWE-78

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