RCE in D-link Dir-823x
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/ddnsUserN…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.043 (89.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- D-link Dir-823x — versions 250416
- Dlink Dir-823x
- Dlink Dir-823x_firmware — versions 250416
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, exploit, Issue Tracking)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-2143?
- CVE-2026-2143 is a high-severity vulnerability in D-link Dir-823x, classified under Command Injection. CVSS score: 7.2/10. Published 2026-02-08.
- How severe is CVE-2026-2143?
- High severity. CVSS v3 base score is 7.2 out of 10.