A security flaw has been discovered in D-Link DIR-823X up to 20250416. This affects the function sub_415028 of the file /goform/set_wan_settings. The manipulation of the argument ppp_username results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00862.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
D-Link DIR-823X affected
Version Status Constraints
20250416 affected
—

Configuration 1 [-]

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

No data.

Vendor Product Confidence Versions
D-link Dir-823x — —

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Subscriptions

Vendors Products
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Tracking

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wan_settings.md cve-icon cve-icon
https://github.com/panda666-888/vuls/blob/main/d-link/dir-823x/set_wan_settings.md#poc cve-icon cve-icon
https://vuldb.com/?ctiid.334651 cve-icon cve-icon
https://vuldb.com/?id.334651 cve-icon cve-icon
https://vuldb.com/?submit.700499 cve-icon cve-icon
https://www.dlink.com/ cve-icon cve-icon
History

Mon, 09 Mar 2026 15:15:00 +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:-:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink dir-823x
Dlink dir-823x Firmware

Tue, 09 Dec 2025 10:15:00 +0000

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

Mon, 08 Dec 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Mon, 08 Dec 2025 01:15:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in D-Link DIR-823X up to 20250416. This affects the function sub_415028 of the file /goform/set_wan_settings. The manipulation of the argument ppp_username results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited.
Title D-Link DIR-823X set_wan_settings sub_415028 command injection
Weaknesses CWE-74
CWE-77
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-12-08T15:52:37.201Z

Reserved: 2025-12-07T08:07:20.088Z

Link: CVE-2025-14208

cve-icon Vulnrichment

Updated: 2025-12-08T15:52:34.301Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-08T01:16:00.673

Modified: 2026-03-09T15:12:13.327

Link: CVE-2025-14208

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-08T09:39:03Z

Weaknesses