CVE-2026-1544: D-Link DIR-823X Firmware

High severity, CVSS 8.8. EPSS: 3.8% chance of exploitation in the next 30 days.

A security flaw has been discovered in D-Link DIR-823X 250416. Impacted is the function sub_41E2A0 of the file /goform/set_mode. Performing a manipulation of the argument lan_gateway results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products

• D-Link DIR-823X Firmware: version 250416 only

Published 2026-01-28. Last modified 2026-06-17.