Stack-Based Buffer Overflow Vulnerability in D-Link DIR-600 Router
CVE-2025-15194

9.3CRITICAL

Key Information:

Vendor

D-link
Status
Dir-600
Vendor
CVE Published:
29 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15194?

A vulnerability has been discovered in the D-Link DIR-600 router, specifically within the HTTP Header Handler component, affecting versions up to 2.15WWb02. The issue arises from the manipulation of the 'Cookie' argument in the hedwig.cgi file, leading to a stack-based buffer overflow. This flaw allows for remote exploits, potentially compromising the security of the affected device. Notably, the vulnerability impacts products that are no longer supported by D-Link, making them particularly susceptible to attacks. The details of this exploit have been made public, raising concerns for users of the affected devices.

Affected Version(s)

DIR-600 2.15WWb02

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-2025-15194 - Proof of Concept

References

https://vuldb.com/?id.338581
vdb-entrytechnical-description
https://vuldb.com/?ctiid.338581
signaturepermissions-required
https://vuldb.com/?submit.724404
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
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

LonTan0 (VulDB User)
JSON
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CVE-2025-15194 : Stack-Based Buffer Overflow Vulnerability in D-Link DIR-600 Router