CVE-2026-2175 HIGH

CVE-2026-2175: D-Link DIR-823X set_upnp sub_420618 os command injection

Vendor D-Link
Product DIR-823X
Weakness CWE-78
Published February 8, 2026
Last update February 23, 2026

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

February 8, 2026 CVE published
February 23, 2026 Record updated