CVE-2020-12127: Wavlink WN530H4 Firmware

High severity, CVSS 7.5. EPSS: 7.4% chance of exploitation in the next 30 days.

An information disclosure vulnerability in the /cgi-bin/ExportAllSettings.sh endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an attacker to leak router settings, including cleartext login details, DNS settings, and other sensitive information without authentication.

Affected products

• Wavlink WN530H4 Firmware: version m30h4.v5030.190403 only

Published 2020-10-02. Last modified 2026-06-17.