A vulnerability categorized as critical has been discovered in D-Link DIR-823X 250416. The affected element is the function sub_4208A0 of the file /goform/set_dmz of the component Configuration Handler. The manipulation of the argument dmz_host/dmz_enable results in os command injection.

This vulnerability is identified as CVE-2026-2155. The attack can be executed remotely. Additionally, an exploit exists.