Stack-Based Buffer Overflow in Tenda AC7 Wireless Router
CVE-2024-2896

8.8HIGH

Key Information:

Vendor
Tenda
Status
Ac7
Vendor
CVE Published:
26 March 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A critical vulnerability has been identified in the Tenda AC7 wireless router, specifically affecting version 15.03.06.44. This vulnerability resides in the function formWifiWpsStart located in the /goform/WifiWpsStart file. An inadequately managed argument index can result in a stack-based buffer overflow, allowing remote attackers to execute arbitrary code on affected devices. The exploit is publicly known, raising significant security concerns for users. Despite early disclosure of this vulnerability, Tenda has not issued a response, leaving devices susceptible to potential attacks. Protection against this vulnerability is crucial for maintaining network integrity and securing sensitive data.

Affected Version(s)

AC7 15.03.06.44

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-2024-2896 - Proof of Concept

References

https://vuldb.com/?id.257939
vdb-entrytechnical-description
https://vuldb.com/?ctiid.257939
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https://vuldb.com/?submit.300359
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

wxhwxhwxh_tutu (VulDB User)
.