CVE-2022-40623: Wavlink WN531G3 Firmware

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

The WAVLINK Quantum D4G (WN531G3) running firmware version M31G3.V5030.200325 does not utilize anti-CSRF tokens, which, when combined with other issues (such as CVE-2022-35518), can lead to remote, unauthenticated command execution.

Affected products

  • Wavlink WN531G3 Firmware: up to and including m31g3.v5030.200325

Published 2022-09-13. Last modified 2026-06-17.