CVE-2025-22903: Totolink n600r Firmware

Medium severity, CVSS 4.6. EPSS: 0.2% chance of exploitation in the next 30 days.

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the pin parameter in the function setWiFiWpsConfig.

Affected products

• Totolink n600r Firmware: version 4.3.0cu.7647_b20210106 only

Published 2025-04-15. Last modified 2026-06-17.