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.

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
signaturepermissions-required
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)
.
CVE-2025-8168 : Buffer Overflow Vulnerability in D-Link DIR-513 Router Software