CVE-2025-7836: D-Link Dir-816l Firmware

High severity, CVSS 8.8. EPSS: 6.1% chance of exploitation in the next 30 days.

A vulnerability has been found in D-Link DIR-816L up to 2.06B01 and classified as critical. Affected by this vulnerability is the function lxmldbc_system of the file /htdocs/cgibin of the component Environment Variable Handler. The manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products

• D-Link Dir-816l Firmware: before 2.06b01 (fixed in 2.06b01)

Published 2025-07-19. Last modified 2026-06-17.