CVE-2024-0542: Vulnerability Insights and Analysis

This CVE-2024-0542 vulnerability affects the Tenda W9 1.0.0.7(4456) and has been rated as critical. The vulnerability involves a stack-based buffer overflow in the formWifiMacFilterGet function of the httpd component. It allows for remote attacks and has a high severity score.

Understanding CVE-2024-0542

This section delves deeper into what CVE-2024-0542 entails, its impact, technical details, and mitigation strategies.

What is CVE-2024-0542?

CVE-2024-0542 is a vulnerability found in the Tenda W9 1.0.0.7(4456), specifically affecting the formWifiMacFilterGet function of the httpd component. By manipulating the argument index, an attacker can trigger a stack-based buffer overflow, potentially leading to unauthorized access or system compromise.

The Impact of CVE-2024-0542

The impact of this vulnerability is significant, given its critical rating and the ability for remote attackers to exploit it. If successfully exploited, it could result in unauthorized access to sensitive information, system instability, or even complete control over the affected system.

Technical Details of CVE-2024-0542

In this section, we will explore the specific technical details related to CVE-2024-0542, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Tenda W9 1.0.0.7(4456) allows for a stack-based buffer overflow when manipulating the argument index of the formWifiMacFilterGet function in the httpd component. This can be exploited remotely, posing a significant security risk.

Affected Systems and Versions

The Tenda W9 version 1.0.0.7(4456) running the httpd component is susceptible to this vulnerability. Users of this specific version and module should take immediate action to secure their systems.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted requests to the affected system, manipulating the index argument to trigger the stack-based buffer overflow. This could lead to the execution of malicious code or unauthorized actions on the target system.

Mitigation and Prevention

Protecting against CVE-2024-0542 requires immediate steps to mitigate the risk, as well as implementing long-term security practices and keeping systems updated with patches.

Immediate Steps to Take

Disable remote access to vulnerable systems if possible.
Implement firewall rules to restrict access to the affected service.
Monitor network traffic for any suspicious activity related to the vulnerability.

Long-Term Security Practices

Regularly update software and firmware to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.
Educate users and administrators on best practices for cybersecurity hygiene to prevent exploitation.

Patching and Updates

Vendor patches and updates should be applied as soon as they are available to address the CVE-2024-0542 vulnerability. Stay informed about security advisories from Tenda and follow their recommendations for securing your devices.