Home/CVE/A security flaw has been discovered in D-Link DIR-823X up to 20250416. This affects the function sub_415028 of the file
CVE

CVE-2025-14208

A security flaw has been discovered in D-Link DIR-823X up to 20250416. This affects the function sub_415028 of the file

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.

MEDIUM · CVSS 6.3 EPSS 0.00308
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
▤

Affected Products & Versions

1
dlink dir-823x firmwareall versions
⚠

Public Exploits & PoCs

2
pocgithub.com · set_wan_settings.mdgithub.com
pocgithub.com · set_wan_settings.md#pocgithub.com
▣

Scoring & Timeline

6.3
MEDIUM · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Dec 2025 · 01:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.334651Permissions RequiredVDB Entry
https://vuldb.com/?id.334651Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.700499Third Party AdvisoryVDB Entry
https://www.dlink.com/Product
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