CVE-2025-5671: Totolink n302r Plus Firmware

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability, which was classified as critical, was found in TOTOLINK N302R Plus up to 3.4.0-B20201028. Affected is an unknown function of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The manipulation of the argument service_type leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected products

• Totolink n302r Plus Firmware: before 3.4.0-b20201028 (fixed in 3.4.0-b20201028)

Published 2025-06-05. Last modified 2026-06-17.