Buffer Overflow Vulnerability in EX1200L Could be Remotely Exploited
CVE-2024-7334

8.8HIGH

Key Information:

Vendor
Totolink
Status
Ex1200l
Vendor
CVE Published:
1 August 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A significant vulnerability exists in the TOTOLINK EX1200L firmware version 9.3.5u.6146_B20201023, specifically within the UploadCustomModule feature located in the /cgi-bin/cstecgi.cgi file. This vulnerability could result in a buffer overflow, allowing attackers to potentially execute arbitrary code remotely. The exploit method has been publicly disclosed, heightening the risk for users who have not updated their devices. This situation is worsened by the lack of response from TOTOLINK following the initial disclosure, which raises concerns about user safety and device security.

Affected Version(s)

EX1200L 9.3.5u.6146_B20201023

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-2024-7334 - Proof of Concept

References

https://vuldb.com/?id.273257
vdb-entrytechnical-description
https://vuldb.com/?ctiid.273257
signaturepermissions-required
https://vuldb.com/?submit.379286
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

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)

Credit

ruaner (VulDB User)
.