Stack-Based Buffer Overflow in D-Link DIR-619L Router
CVE-2025-6617

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6617?

A stack-based buffer overflow vulnerability exists in the D-Link DIR-619L router within the formAdvanceSetup function found in the /goform/formAdvanceSetup file. This vulnerability allows an attacker to manipulate the webpage argument, potentially leading to unauthorized control of the device. The issue is especially concerning as it only affects versions of the product that are no longer supported, making it critical for users to secure or upgrade their devices. Given that the exploit has been publicly disclosed, it poses a significant risk if exploited remotely.

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-2025-6617 - Proof of Concept

References

https://vuldb.com/?id.313835
vdb-entrytechnical-description
https://vuldb.com/?ctiid.313835
signaturepermissions-required
https://vuldb.com/?submit.602260
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

pjqwudi (VulDB User)
.
CVE-2025-6617 : Stack-Based Buffer Overflow in D-Link DIR-619L Router