Buffer Overflow in TOTOLINK EX1200L Due to Vulnerable Loginauth Function
CVE-2024-7337

8.8HIGH

Key Information:

Vendor
Totolink
Status
Ex1200l
Vendor
CVE Published:
1 August 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A severe vulnerability has been identified in the TOTOLINK EX1200L model, specifically within the loginauth function located in the /cgi-bin/cstecgi.cgi file. This vulnerability arises from improper handling of the http_host argument, which can lead to a buffer overflow condition. Attackers can exploit this vulnerability remotely, potentially compromising the system’s security and gaining unauthorized access. Despite early notification to the vendor regarding the issue, there has been no response or fix provided. Users of the affected firmware version are advised to take precautionary measures to mitigate potential risks.

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-2024-7337 - Proof of Concept

References

https://vuldb.com/?id.273260
vdb-entrytechnical-description
https://vuldb.com/?ctiid.273260
signaturepermissions-required
https://vuldb.com/?submit.379315
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

yhryhryhr_tu (VulDB User)
.
CVE-2024-7337 : Buffer Overflow in TOTOLINK EX1200L Due to Vulnerable Loginauth Function | SecurityVulnerability.io