CVE-2022-32032 : Vulnerability Insights and Analysis

Tenda AX1806 v1.0.0.1 has been identified with a critical vulnerability that allows attackers to trigger a stack overflow through the deviceList parameter within the formAddMacfilterRule function.

Understanding CVE-2022-32032

This section provides an overview of the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2022-32032?

CVE-2022-32032 refers to a stack overflow vulnerability present in Tenda AX1806 v1.0.0.1, specifically in the deviceList parameter within the formAddMacfilterRule function.

The Impact of CVE-2022-32032

Exploitation of this vulnerability can lead to a stack overflow condition, potentially allowing attackers to execute arbitrary code or crash the affected device.

Technical Details of CVE-2022-32032

This section delves into the specifics of the vulnerability, including the description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Tenda AX1806 v1.0.0.1 arises due to improper handling of user-supplied input in the deviceList parameter, leading to a stack overflow condition.

Affected Systems and Versions

Tenda AX1806 v1.0.0.1 is the specific version affected by this vulnerability, impacting devices with this firmware version.

Exploitation Mechanism

Attackers can exploit the vulnerability by crafting malicious input for the deviceList parameter, triggering the stack overflow and potentially gaining unauthorized access or disrupting device functionality.

Mitigation and Prevention

This section outlines steps to mitigate the CVE-2022-32032 vulnerability and prevent potential exploitation.

Immediate Steps to Take

Users and administrators should consider updating to a patched version of the firmware or applying vendor-supplied fixes to address the stack overflow vulnerability.

Long-Term Security Practices

Implementing secure coding practices, such as input validation and boundary checks, can help prevent similar stack overflow vulnerabilities in the future.

Patching and Updates

Regularly checking for firmware updates from Tenda and promptly applying them can help protect devices from known vulnerabilities, including CVE-2022-32032.