CVE-2026-2143

Name: CVE-2026-2143
Creator: NVD / NIST
Published: 2026-02-08T09:15:51.69+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 4.32%

Last modified Jun 17, 2026

CVE-2026-2143 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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. EPSS estimates a 4.32% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

7.3/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

4.32%

89.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-823x Firmware	250416

References

https://github.com/master-abc/cve/issues/25Exploit, Issue Tracking
https://vuldb.com/?ctiid.344778Permissions Required, VDB Entry
https://vuldb.com/?id.344778Third Party Advisory, VDB Entry
https://vuldb.com/?submit.747492Third Party Advisory, VDB Entry
https://www.dlink.com/Product

Timeline

Published: Feb 8, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2143?

How severe is CVE-2026-2143?

CVE-2026-2143 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 4.32% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2143?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2143?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST