High severity · published Feb 8, 2026
CVE-2026-2143
A security vulnerability has been detected in D-Link DIR-823X 250416
7.2
CVSS
5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.0% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dir-823x Firmware · Dlink
250416 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2143
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2143
Exploit
https://github.com/master-abc/cve/issues/25
Permissions Required
https://vuldb.com/?ctiid.344778
Third Party Advisory
https://vuldb.com/?id.344778
Third Party Advisory
https://vuldb.com/?submit.747492
Product
https://www.dlink.com/
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