Stack-based Buffer Overflow in D-Link DIR-619L Router
CVE-2025-6369

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6369?

A vulnerability has been identified in the D-Link DIR-619L version 2.06B01, specifically in the 'formdumpeasysetup' function found in '/goform/formdumpeasysetup'. This weakness is caused by improper handling of the 'curTime/config.save_network_enabled' argument, leading to a stack-based buffer overflow. Unfortunately, this vulnerability opens a pathway for remote attackers to exploit the device, potentially compromising its integrity. It is noteworthy that this issue affects products no longer supported by the vendor, increasing the urgency for users to address this vulnerability.

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-2025-6369 - Proof of Concept

References

https://vuldb.com/?id.313362
vdb-entrytechnical-description
https://vuldb.com/?ctiid.313362
signaturepermissions-required
https://vuldb.com/?submit.597422
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-2025-6369 : Stack-based Buffer Overflow in D-Link DIR-619L Router