CVE-2025-7087: Belkin f9k1122 Firmware

High severity, CVSS 8.8. EPSS: 13.4% chance of exploitation in the next 30 days.

A vulnerability classified as critical was found in Belkin F9K1122 1.00.33. Affected by this vulnerability is the function formL2TPSetup of the file /goform/formL2TPSetup of the component webs. The manipulation of the argument L2TPUserName leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Belkin f9k1122 Firmware: version 1.00.33 only

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