CVE-2025-51630: Totolink n350rt Firmware

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

TOTOLINK N350RT V9.3.5u.6139_B20201216 was discovered to contain a buffer overflow via the ePort parameter in the function setIpPortFilterRules.

Affected products

• Totolink n350rt Firmware: version 9.3.5u.6139_b20201216 only

Published 2025-07-17. Last modified 2026-06-17.