Stack-Based Buffer Overflow in Tenda W30E Routers
CVE-2024-4171

8.8HIGH

Key Information:

Vendor
Tenda
Status
W30e
Vendor
CVE Published:
25 April 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A critical vulnerability has been identified in Tenda W30E routers, specifically within the fromWizardHandle function located in the /goform/WizardHandle file. This vulnerability arises due to improper handling of the PPW argument, leading to a stack-based buffer overflow that can be exploited remotely. As the exploit has been made publicly available, devices running affected versions are at significant risk. Users are advised to implement security measures promptly, as the vendor has not provided an official response or patch for this vulnerability.

Affected Version(s)

W30E 1.0

W30E 1.0.1.25

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-2024-4171 - Proof of Concept

References

https://vuldb.com/?id.261990
vdb-entrytechnical-description
https://vuldb.com/?ctiid.261990
signaturepermissions-required
https://vuldb.com/?submit.318995
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)
.