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HIGH

CVE-2026-2143

D-Link DIR-823X DDNS Service set_ddns os command injection

CVSS v3

7.2

HIGH

EPSS Score

4.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

poc

SSVC status

Description

A security vulnerability has been detected in D-Link DIR-823X 250416. This issue affects some unknown processing of the file /goform/set_ddns of the component DDNS Service. The manipulation of the argument ddnsType/ddnsDomainName/ddnsUserName/ddnsPwd leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Technical details

Published
2026-02-08
Last Modified
2026-02-10

Frequently asked questions

What is CVE-2026-2143?

A security vulnerability has been detected in D-Link DIR-823X 250416. This issue affects some unknown processing of the file /goform/set_ddns of the component DDNS Service. The manipulation of the argument ddnsType/ddnsDomainName/ddnsUserName/ddnsPwd leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Is CVE-2026-2143 actively exploited?

A proof-of-concept exploit exists for CVE-2026-2143, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-2143?

CVE-2026-2143 has a CVSS v3 base score of 7.2 (HIGH severity).

Is CVE-2026-2143 affecting your environment?

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