CVE-2024-0537: Vulnerability Insights and Analysis

This article provides an in-depth analysis of CVE-2024-0537, focusing on its impact, technical details, and mitigation strategies.

Understanding CVE-2024-0537

CVE-2024-0537 involves a vulnerability in the Tenda W9 version 1.0.0.7(4456) where a stack-based buffer overflow is triggered by manipulating the argument ssidIndex in the httpd component. This critical vulnerability allows for remote exploitation and has been assigned the identifier VDB-250707.

What is CVE-2024-0537?

The vulnerability in Tenda W9 1.0.0.7(4456) arises from the setWrlBasicInfo function in the httpd component. By tampering with the ssidIndex argument, threat actors can execute a stack-based buffer overflow attack remotely.

The Impact of CVE-2024-0537

With a CVSS base score of 8.8, CVE-2024-0537 is rated as high severity. This vulnerability poses a significant risk as it allows for unauthorized remote code execution, potentially leading to a compromise of confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2024-0537

The vulnerability resides in the httpd component of Tenda W9 version 1.0.0.7(4456) and is triggered by improperly handling user input, specifically the ssidIndex argument.

Vulnerability Description

The stack-based buffer overflow vulnerability in Tenda W9 can be exploited by attackers to execute arbitrary code remotely, compromising the security of the system.

Affected Systems and Versions

Vendor: Tenda
Product: W9
Versions Affected: 1.0.0.7(4456)
Component: httpd

Exploitation Mechanism

Threat actors can exploit CVE-2024-0537 by sending specially crafted input to the ssidIndex argument, causing a buffer overflow and potentially executing malicious code on the target system.

Mitigation and Prevention

To protect systems from the risks associated with CVE-2024-0537, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Update the Tenda W9 firmware to the latest version to patch the vulnerability.
Implement network segmentation to restrict access to vulnerable components.
Monitor network traffic for any signs of exploitation attempts.

Long-Term Security Practices

Regularly update software and firmware to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate security weaknesses.
Educate users and IT staff on secure coding practices and potential threats.

Patching and Updates

Ensure timely installation of security patches released by Tenda to address CVE-2024-0537 and other security issues. Regularly check for updates and apply them to maintain the integrity and security of systems.