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CVE-2026-2155

D-Link DIR-823X Configuration set_dmz sub_4208A0 os command injection

Published: Feb 8, 2026Updated: Feb 11, 2026 Sources: CVE List NVD BDUCWE-77
7.2HIGH
NVD MITRE
EPSS Score
3.8%
Top 11.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
Not available

Description

A security flaw has been discovered in D-Link DIR-823X 250416. The affected element is the function sub_4208A0 of the file /goform/set_dmz of the component Configuration Handler. The manipulation of the argument dmz_host/dmz_enable results in os command injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

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

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://vuldb.com/?id.344857
vuldb.com
https://vuldb.com/?ctiid.344857
vuldb.com
https://vuldb.com/?submit.748236
vuldb.com
and 4 more references View all →

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