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CVE-2026-2143

D-Link DIR-823X DDNS Service set_ddns os command injection

Published: Feb 8, 2026Updated: Feb 10, 2026 Sources: CVE List NVD BDUCWE-77
7.2HIGH
NVD MITRE
EPSS Score
4.3%
Top 9.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-77CWE-78

Affected Products

D-Link Corp.
commercial·TWaka dlink, d-link international, d-link corporation
dir-823x firmware
Networking Infrastructure
DIR-823X
Networking Infrastructure
D-Link
commercial·TW
DIR-823X
Networking Infrastructure

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
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References

https://github.com/master-abc/cve/issues/25
github.com
https://vuldb.com/?ctiid.344778
vuldb.com
https://vuldb.com/?id.344778
vuldb.com
and 2 more references View all →

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