Buffer Overflow Vulnerability in D-Link DIR-513 Product
CVE-2026-6014

8.7HIGH

Key Information:

Vendor

D-link
Status
Dir-513
Vendor
CVE Published:
10 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6014?

A buffer overflow vulnerability exists in the D-Link DIR-513 wireless router within the POST Request Handler, specifically in the formAdvanceSetup function. This flaw can be exploited remotely by manipulating the 'webpage' argument, potentially allowing unauthorized users to compromise the device. The affected products are no longer supported, making them especially vulnerable to attacks utilizing this exploit. It's critical for users of D-Link DIR-513 to take immediate action to safeguard their networks.

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-2026-6014 - Proof of Concept

References

https://vuldb.com/vuln/356570
vdb-entrytechnical-description
https://vuldb.com/vuln/356570/cti
signaturepermissions-required
https://vuldb.com/submit/791860
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

wxhwxhwxh_mie (VulDB User)
.