CVE-2026-2143

HIGH

D-Link DIR-823X 250416 - OS Command Injection via DDNS Service

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.344778
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.344778
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.747492
Exploit, Issue Tracking exploit issue-tracking
https://github.com/master-abc/cve/issues/25
Product product
https://www.dlink.com/

Scores

CVSS v3 7.2
EPSS 0.0011
EPSS Percentile 29.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-77 CWE-78
Status published
Products (1)
dlink/dir-823x_firmware 250416
Published Feb 08, 2026
Tracked Since Feb 18, 2026