CVE-2026-2155
HIGHD-Link DIR-823X 250416 - OS Command Injection via DMZ Configuration Handler
Title source: llmDescription
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.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.344857
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.344857
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.748236
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.750038
Exploit, Issue Tracking exploit
issue-tracking
https://github.com/master-abc/cve/issues/32
Product product
https://www.dlink.com/
Scores
CVSS v3
7.2
EPSS
0.0056
EPSS Percentile
68.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-77
CWE-78
Status
published
Products (1)
dlink/dir-823x_firmware
250416
Published
Feb 08, 2026
Tracked Since
Feb 18, 2026