Buffer Overflow Vulnerability in TOTOLINK A3600R Router Firmware
CVE-2024-7185

8.8HIGH

Key Information:

Vendor
Totolink
Status
Vendor
CVE Published:
29 July 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A serious vulnerability has been identified in the TOTOLINK A3600R router firmware version 4.1.2cu.5182_B20201102, specifically affecting the function setWebWlanIdx within the CGI file /cgi-bin/cstecgi.cgi. This flaw allows an attacker to manipulate the webWlanIdx argument, leading to a potential buffer overflow. The exploitation of this vulnerability can be executed remotely, posing significant risks to users. Despite early notifications to the vendor about this issue, no response was received, indicating a lack of support for affected users.

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.

References

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)
.