CVE-2025-51390: Totolink n600r Firmware

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

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

Affected products

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

Published 2025-08-04. Last modified 2026-07-05.