Stack-based Buffer Overflow in D-Link DIR-619L Router
CVE-2025-6615

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6615?

A stack-based buffer overflow vulnerability exists in the D-Link DIR-619L router's formAutoDetecWAN_wizard4 function. By manipulating the curTime parameter, an attacker can exploit this vulnerability remotely. This issue primarily affects versions of the DIR-619L that are no longer receiving maintenance, increasing the risk for users still operating affected models. As the exploit has been publicly disclosed, it is critical for users to be aware and take appropriate actions to secure their devices.

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-2025-6615 - Proof of Concept

References

https://vuldb.com/?id.313833
vdb-entrytechnical-description
https://vuldb.com/?ctiid.313833
signaturepermissions-required
https://vuldb.com/?submit.602258
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-2025-6615 : Stack-based Buffer Overflow in D-Link DIR-619L Router