Stack-Based Buffer Overflow in Tenda AC500 Product
CVE-2024-3906

8.8HIGH

Key Information:

Vendor
Tenda
Status
Ac500
Vendor
CVE Published:
17 April 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A significant vulnerability has been identified in the Tenda AC500 firmware version 2.0.1.9(1307), which is characterized by a stack-based buffer overflow in the 'formQuickIndex' function located within the '/goform/QuickIndex' file. This flaw arises from improper handling of the 'PPPOEPassword' argument, enabling remote attackers to exploit the overflow condition. The disclosed nature of this vulnerability poses a risk, as it can potentially allow unauthorized access or control over affected systems. Despite early notification to the vendor, no response has been received, underlining the urgency for users to address this vulnerability in their installations. More technical details can be found in the associated references.

Affected Version(s)

AC500 2.0.1.9(1307)

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-2024-3906 - Proof of Concept

References

https://vuldb.com/?id.261142
vdb-entrytechnical-description
https://vuldb.com/?ctiid.261142
signaturepermissions-required
https://vuldb.com/?submit.313801
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)
.