Buffer Overflow Vulnerability in D-Link DIR-513 Router
CVE-2026-6013

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6013?

A buffer overflow vulnerability exists in the D-Link DIR-513 router, specifically within the formSetRoute function in the POST request handler located at /goform/formSetRoute. This flaw arises from improper handling of the curTime argument, allowing remote attackers to exploit this vulnerability. As the attack vector is public and affects devices that are no longer supported by the vendor, users are advised to take immediate precautions to safeguard their network devices. The ramifications of such an exploit can lead to unauthorized access or other malicious activities, highlighting the importance of employing robust security measures and regular updates.

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-2026-6013 - Proof of Concept

References

https://vuldb.com/vuln/356569
vdb-entrytechnical-description
https://vuldb.com/vuln/356569/cti
signaturepermissions-required
https://vuldb.com/submit/791859
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)
.