Stack-Based Buffer Overflow in D-Link DIR-619L Router
CVE-2025-6374

8.7HIGH

Key Information:

Vendor

D-link

Status
Vendor
CVE Published:
21 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6374?

A stack-based buffer overflow vulnerability has been identified in the D-Link DIR-619L router, specifically in the function formSetACLFilter within the /goform/formSetACLFilter file. This issue arises from improper handling of the curTime argument, enabling potential attackers to exploit the vulnerability remotely. It's important to note that this flaw affects only those devices that are beyond official support by D-Link, increasing the risk of exploitation. Security professionals and users should be aware of this vulnerability to mitigate any potential threats.

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.

References

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

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