Stack-Based Buffer Overflow in Tenda AC7 Router
CVE-2024-2892

8.8HIGH

Key Information:

Vendor
Tenda
Status
Ac7
Vendor
CVE Published:
26 March 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A critical vulnerability exists in Tenda AC7 routers, specifically in the formSetCfm function of the /goform/setcfm file. This vulnerability allows for a stack-based buffer overflow caused by improper handling of the argument 'funcpara1'. Attackers can exploit this vulnerability remotely, which poses significant risks to users and their networks. The exploit has been publicly disclosed, and despite efforts to notify the vendor, no response was received. Users of the affected Tenda AC7 routers should take immediate action to mitigate potential risks.

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-2024-2892 - Proof of Concept

References

https://vuldb.com/?id.257935
vdb-entrytechnical-description
https://vuldb.com/?ctiid.257935
signaturepermissions-required
https://vuldb.com/?submit.300355
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_miemie (VulDB User)
.