Buffer Overflow Vulnerability in D-Link DIR-600L Routers

CVE-2025-4342

What is CVE-2025-4342?

A buffer overflow vulnerability exists in the D-Link DIR-600L routers due to improper handling of input in the formEasySetupWizard3 function. This flaw can potentially allow remote attackers to manipulate the argument host, leading to unexpected behavior and possible unauthorized access to the device. Notably, the affected versions of the DIR-600L have reached their end of life and are no longer supported by the vendor, amplifying the risk for users still operating these devices. Users are strongly advised to upgrade or replace their equipment to mitigate potential security threats.

References