CVE-2026-2143: D-Link DIR-823X DDNS Service set_ddns os command injection

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-08 · updated 2026-06-17
Weakness: CWE-77

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.

Affected products

D-Link DIR-823X: 250416

References

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

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