CVE-2026-2084 HIGH

CVE-2026-2084: D-Link DIR-823X set_language os command injection

Vendor D-Link
Product DIR-823X
Weakness CWE-78
Published February 7, 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 impacts an unknown function of the file /goform/set_language. Executing a manipulation of the argument langSelection can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

Key dates

02Disclosure timeline

February 7, 2026 CVE published
February 23, 2026 Record updated