CVE-2026-2120 HIGH

CVE-2026-2120: D-Link DIR-823X Configuration Parameter set_server_settings 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 vulnerability was identified in D-Link DIR-823X 250416. This affects an unknown function of the file /goform/set_server_settings of the component Configuration Parameter Handler. The manipulation of the argument terminal_addr/server_ip/server_port leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

Key dates

02Disclosure timeline

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