Buffer Overflow in D-Link DIR-513 Affects Security of Device Configuration
CVE-2026-6012

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6012?

A security vulnerability in the D-Link DIR-513 device affects the function formSetPassword within the file /goform/formSetPassword. Manipulation of the curTime argument can lead to a buffer overflow, which allows remote attackers to exploit this vulnerability. This issue can be especially concerning as it pertains to products that are no longer supported by D-Link, making them more vulnerable to potential attacks. Public disclosure of this exploit heightens the risk for users operating this device without proper security measures.

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-2026-6012 - Proof of Concept

References

https://vuldb.com/vuln/356568
vdb-entrytechnical-description
https://vuldb.com/vuln/356568/cti
signaturepermissions-required
https://vuldb.com/submit/791858
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)
.