CVE-2026-2142 HIGH

CVE-2026-2142: D-Link DIR-823X set_qos sub_420688 os command injection

Vendor D-Link
Product DIR-823X
Weakness CWE-78
Published February 8, 2026
Last update February 23, 2026
View on NVD All CVEs

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_420688 of the file /goform/set_qos. Executing a manipulation can lead to os command injection. The attack can be executed remotely. 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