CVE-2025-4453: D-Link Dir-619l Firmware

Critical severity, CVSS 9.8. EPSS: 7% chance of exploitation in the next 30 days.

A vulnerability was found in D-Link DIR-619L 2.04B04. It has been classified as critical. This affects the function formSysCmd. The manipulation of the argument sysCmd leads to command injection. It is possible to initiate the attack 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.