Buffer Overflow Vulnerability in Tenda AC500
CVE-2024-3907

9.8CRITICAL

Key Information:

Vendor
Tenda
Status
Ac500
Vendor
CVE Published:
17 April 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A critical security vulnerability exists in the Tenda AC500 version 2.0.1.9(1307) within the formSetCfm function found in the /goform/setcfm file. This vulnerability is triggered through a manipulation of the 'funcpara1' argument, leading to a stack-based buffer overflow. Attackers can exploit this vulnerability remotely, potentially allowing them to execute arbitrary code or disrupt the operational integrity of the device. The vulnerability poses significant cybersecurity risks, especially as public disclosure has already occurred, raising the urgency for users to patch their devices or take mitigative action. Despite being notified, Tenda has not responded to the disclosure, which may indicate a lack of support for addressing this critical security issue.

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-2024-3907 - Proof of Concept

References

https://vuldb.com/?id.261143
vdb-entrytechnical-description
https://vuldb.com/?ctiid.261143
signaturepermissions-required
https://vuldb.com/?submit.313802
third-party-advisory

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

yhryhryhr_tu (VulDB User)
.