Buffer Overflow in D-Link DIR-619L Router
CVE-2025-6614

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6614?

The D-Link DIR-619L router is susceptible to a stack-based buffer overflow vulnerability within the formSetWANType_Wizard5 function. By manipulating the curTime argument, an attacker may exploit this flaw remotely. This vulnerability affects only those devices that are no longer supported by the vendor, posing a significant risk for users relying on outdated firmware. The exploit has been publicly disclosed, and immediate action is recommended for affected users to secure their network.

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-2025-6614 - Proof of Concept

References

https://vuldb.com/?id.313832
vdb-entrytechnical-description
https://vuldb.com/?ctiid.313832
signaturepermissions-required
https://vuldb.com/?submit.602257
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-2025-6614 : Buffer Overflow in D-Link DIR-619L Router