CVE-2026-2063: D-Link DIR-823X Firmware

High severity, CVSS 7.2. EPSS: 5.3% chance of exploitation in the next 30 days.

A security flaw has been discovered in D-Link DIR-823X 250416. This vulnerability affects unknown code of the file /goform/set_ac_server of the component Web Management Interface. The manipulation of the argument ac_server results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

Affected products

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

Published 2026-02-06. Last modified 2026-06-17.