Stack-based Buffer Overflow Vulnerability in D-Link DIR-619L Router
CVE-2025-6115

8.7HIGH

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6115?

A stack-based buffer overflow vulnerability was discovered in the D-Link DIR-619L router, specifically within the function form_macfilter. This vulnerability arises when an attacker manipulates arguments such as mac_hostname_%d or sched_name_%d, potentially leading to arbitrary code execution. The risk is heightened as this vulnerability affects devices that are no longer supported by the vendor, increasing their exposure to exploitation. The vulnerability can be exploited remotely, enabling attackers to compromise devices without physical access.

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-2025-6115 - Proof of Concept

References

https://vuldb.com/?id.312584
vdb-entrytechnical-description
https://vuldb.com/?ctiid.312584
signaturepermissions-required
https://vuldb.com/?submit.592570
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-2025-6115 : Stack-based Buffer Overflow Vulnerability in D-Link DIR-619L Router