CVE-2025-4449: D-Link Dir-619l Firmware

Critical severity, CVSS 9.8. EPSS: 3% chance of exploitation in the next 30 days.

A vulnerability, which was classified as critical, has been found in D-Link DIR-619L 2.04B04. This issue affects the function formEasySetupWizard3. The manipulation of the argument wan_connected leads to buffer overflow. The attack may be initiated remotely. The vendor was contacted early about this disclosure. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products

• D-Link Dir-619l Firmware: version 2.04b04 only

Published 2025-05-09. Last modified 2026-06-17.