CVE-2026-2143

HIGH 7.2

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

CVSS Score

7.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78 CWE-77
Vendor	d-link
Product	dir-823x
Published	Feb 8, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DIR-823X

250416

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.344778 vuldb.com: https://vuldb.com/?ctiid.344778 vuldb.com: https://vuldb.com/?submit.747492 github.com: https://github.com/master-abc/cve/issues/25 dlink.com: https://www.dlink.com/

Credits

🔍 jiefengliang (VulDB User)