CVE-2026-2175: D-Link DIR-823X Firmware

High severity, CVSS 7.2. EPSS: 4.5% chance of exploitation in the next 30 days.

A weakness has been identified in D-Link DIR-823X 250416. This vulnerability affects the function sub_420618 of the file /goform/set_upnp. This manipulation of the argument upnp_enable causes os command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Affected products

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

Published 2026-02-08. Last modified 2026-06-17.