Buffer Overflow Vulnerability in D-Link DIR-513 Router Software
CVE-2025-8168

8.7HIGH

Key Information:

Vendor

D-link
Status
Dir-513
Vendor
CVE Published:
25 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8168?

A vulnerability exists in the D-Link DIR-513 router's software due to improper handling of the argument 'curTime' within the 'websAspInit' function located in the '/goform/formSetWanPPPoE' file. This flaw allows attackers to exploit a buffer overflow condition, potentially leading to unauthorized access. It is particularly relevant for users running unsupported versions of this device, making it susceptible to remote attacks and data breaches.

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Affected Version(s)

DIR-513 1.10

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-2025-8168 - Proof of Concept

References

https://vuldb.com/?id.317582
vdb-entrytechnical-description
https://vuldb.com/?ctiid.317582
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https://vuldb.com/?submit.620816
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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

AttackingLin (VulDB User)
JSON
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