Buffer Overflow Vulnerability in TOTOLINK A3600R Router
CVE-2024-7186

8.8HIGH

Key Information:

Vendor
Totolink
Status
A3600r
Vendor
CVE Published:
29 July 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A critical security flaw has been identified in the TOTOLINK A3600R router, specifically within the function responsible for adding WiFi access control list (ACL) configurations. The vulnerability arises from improper handling of the 'comment' argument in the /cgi-bin/cstecgi.cgi file, leading to a buffer overflow. This flaw allows attackers to execute remote code, potentially compromising the device's security. The issue has been publicly disclosed, and the vendor has not responded to initial reports, making it essential for users to take immediate action to secure their systems.

Affected Version(s)

A3600R 4.1.2cu.5182_B20201102

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-2024-7186 - Proof of Concept

References

https://vuldb.com/?id.272607
vdb-entrytechnical-description
https://vuldb.com/?ctiid.272607
signaturepermissions-required
https://vuldb.com/?submit.378055
third-party-advisory

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wxhwxhwxh_tutu (VulDB User)
.