CVE-2025-4348: D-Link Dir-600l Firmware

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

A vulnerability was found in D-Link DIR-600L up to 2.07B01. It has been rated as critical. Affected by this issue is the function formSetWanL2TP. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products

• D-Link Dir-600l Firmware: up to and including 2.07b01

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