Tenda W9 httpd formQosManage_user stack-based overflow
CVE-2024-0539

9.8CRITICAL

Key Information:

Vendor: Tenda
Status: W9
Vendor: CVE Published:; 15 January 2024

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👾 Exploit Exists🟡 Public PoC

Summary

The vulnerability within the Tenda W9 router specifically affects the formQosManage_user function of its httpd component, where improper handling of the ssidIndex argument leads to a stack-based buffer overflow. This flaw allows for remote exploitation, potentially granting attackers unauthorized access to sensitive information or control over the device. Many users remain unaware of this critical issue, which has already been publicly disclosed, highlighting the need for immediate patching or mitigation strategies to safeguard network integrity. The vendor has been notified about the vulnerability, but did not respond, leaving users exposed.

Affected Version(s)

W9 1.0.0.7(4456)

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-2024-0539 - Proof of Concept