CVE-2025-11299: Belkin f9k1015 Firmware

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A vulnerability was identified in Belkin F9K1015 1.00.10. The affected element is an unknown function of the file /goform/formWanTcpipSetup. The manipulation of the argument pppUserName leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Belkin f9k1015 Firmware: version 1.00.10 only

Published 2025-10-05. Last modified 2026-10-09.