A weakness has been identified in D-Link DIR-823X 250416. This vulnerability affects the function sub_420688 of the file /goform/set_qos. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Multiple

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
D-link
  • Dir-823x
Dlink
  • Dir-823x
  • Dir-823x Firmware

Configuration 1 [-]

AND
cpe:2.3:o:dlink:dir-823x_firmware:250416:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-823x:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://www.spirityenterprise.com/pentest spirity
https://github.com/master-abc/cve/issues/29 cve-icon cve-icon
https://vuldb.com/?ctiid.344777 cve-icon cve-icon
https://vuldb.com/?id.344777 cve-icon cve-icon
https://vuldb.com/?submit.747428 cve-icon cve-icon
https://www.dlink.com/ cve-icon cve-icon
History

Tue, 10 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 10 Feb 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Dlink
Dlink dir-823x
Dlink dir-823x Firmware
CPEs cpe:2.3:h:dlink:dir-823x:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-823x_firmware:250416:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink dir-823x
Dlink dir-823x Firmware

Mon, 09 Feb 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared D-link
D-link dir-823x
Vendors & Products D-link
D-link dir-823x

Sun, 08 Feb 2026 08:15:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in D-Link DIR-823X 250416. This vulnerability affects the function sub_420688 of the file /goform/set_qos. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
Title D-Link DIR-823X set_qos sub_420688 os command injection
Weaknesses CWE-77
CWE-78
References
Metrics cvssV2_0

{'score': 8.3, 'vector': 'AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.2, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-10T21:17:51.392Z

Reserved: 2026-02-06T21:08:25.984Z

Link: CVE-2026-2142

cve-icon Vulnrichment

Updated: 2026-02-10T21:17:47.994Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-08T08:15:53.557

Modified: 2026-02-10T14:57:38.327

Link: CVE-2026-2142

cve-icon Redhat

No data.