Stack-Based Buffer Overflow in Tenda AC7 Router
CVE-2024-2900

8.8HIGH

Key Information:

Vendor
Tenda
Status
Ac7
Vendor
CVE Published:
26 March 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A significant stack-based buffer overflow vulnerability has been identified in the Tenda AC7 router, specifically in the function saveParentControlInfo located in the /goform/saveParentControlInfo endpoint. The issue arises from the improper handling of user-supplied parameters including deviceId, time, and urls, allowing an attacker to exploit this vulnerability remotely. This flaw can potentially lead to unauthorized access and manipulation of the router's functionality. Notably, this vulnerability has been publicly disclosed, increasing the urgency for affected users to implement mitigating measures. Tenda has been informed regarding this issue but has not issued a response, leaving many devices at risk. Users are strongly advised to review their router security settings and update to the latest firmware as soon as it becomes available.

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-2024-2900 - Proof of Concept

References

https://vuldb.com/?id.257943
vdb-entrytechnical-description
https://vuldb.com/?ctiid.257943
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https://vuldb.com/?submit.300364
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)
.