Buffer Overflow Vulnerability in EX200 Could Lead to Remote Execution

CVE-2024-7335

8.8HIGH

Key Information

Vendor
Totolink
Status
Ex200
Vendor
CVE Published:
1 August 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability classified as critical has been found in TOTOLINK EX200 4.0.3c.7646_B20201211. Affected is the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http_host leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-273258 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected Version(s)

EX200 = 4.0.3c.7646_B20201211

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-2024-7335 - Proof of Concept

References

https://vuldb.com/?id.273258
vdb-entrytechnical-description
https://vuldb.com/?ctiid.273258
signaturepermissions-required
https://vuldb.com/?submit.379313
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

yhryhryhr_tu (VulDB User)
.