Stack-based Buffer Overflow in Tenda AC7 Router
CVE-2024-2901

8.8HIGH

Key Information:

Vendor
Tenda
Status
Ac7
Vendor
CVE Published:
26 March 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A serious stack-based buffer overflow vulnerability has been identified in the Tenda AC7 router (firmware version 15.03.06.44). This security flaw arises from improper handling of the 'schedEndTime' argument within the 'setSchedWifi' function located in the '/goform/openSchedWifi' file. Attackers can exploit this vulnerability remotely, enabling them to manipulate scheduled Wi-Fi settings and potentially execute arbitrary code, compromising the device's integrity. Despite early notification, Tenda has not taken any action regarding this disclosure, which raises concerns over the security and support for their products.

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-2024-2901 - Proof of Concept

References

https://vuldb.com/?id.257944
vdb-entrytechnical-description
https://vuldb.com/?ctiid.257944
signaturepermissions-required
https://vuldb.com/?submit.300367
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)
.