Command Injection Vulnerability in D-Link Router Products
CVE-2025-14208

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dir-823x
Vendor
CVE Published:
8 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-14208?

A security vulnerability has been identified in the D-Link DIR-823X series routers affecting versions up to 20250416. This flaw is associated with the 'set_wan_settings' function, particularly where the 'ppp_username' argument is processed. By manipulating this argument, it is possible for an attacker to execute arbitrary commands remotely on the affected device. Given the public release of exploit code, devices running the vulnerable software are at risk of unauthorized access and should be updated immediately to mitigate potential exploitation.

Affected Version(s)

DIR-823X 20250416

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-14208 - Proof of Concept

References

https://vuldb.com/?id.334651
vdb-entrytechnical-description
https://vuldb.com/?ctiid.334651
signaturepermissions-required
https://vuldb.com/?submit.700499
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

panda_0x1 (VulDB User)
JSON
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CVE-2025-14208 : Command Injection Vulnerability in D-Link Router Products