Stack-Based Buffer Overflow in D-Link DIR-619L Router
CVE-2025-6368

8.7HIGH

Key Information:

Vendor

D-link
Status
Dir-619l
Vendor
CVE Published:
20 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6368?

A vulnerability exists in the D-Link DIR-619L router that allows for a stack-based buffer overflow through the 'formSetEmail' function found in the '/goform/formSetEmail' file. Attackers can exploit this vulnerability by manipulating the 'curTime' or 'config.smtp_email_subject' parameters, allowing for remote attacks. This issue primarily affects devices that are no longer supported by D-Link, making them particularly vulnerable as the exploit has been publicly disclosed.

Affected Version(s)

DIR-619L 2.06B01

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-2025-6368 - Proof of Concept

References

https://vuldb.com/?id.313361
vdb-entrytechnical-description
https://vuldb.com/?ctiid.313361
signaturepermissions-required
https://vuldb.com/?submit.597421
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

pjq123 (VulDB User)
.
CVE-2025-6368 : Stack-Based Buffer Overflow in D-Link DIR-619L Router