CVE-2025-4343: D-Link Dir-600l Firmware

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability has been found in D-Link DIR-600L up to 2.07B01 and classified as critical. This vulnerability affects the function formEasySetupWizard. The manipulation of the argument host leads to buffer overflow. The attack can be initiated 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.