CVE-2022-36571 Explained : Impact and Mitigation

This article provides an overview of CVE-2022-36571, a vulnerability found in Tenda AC9 V15.03.05.19 that allows a stack overflow via the mask parameter in /goform/WanParameterSetting.

Understanding CVE-2022-36571

In this section, we will delve into the details of the CVE-2022-36571 vulnerability.

What is CVE-2022-36571?

CVE-2022-36571 is a security flaw identified in Tenda AC9 V15.03.05.19, enabling a stack overflow through the mask parameter within the /goform/WanParameterSetting URL.

The Impact of CVE-2022-36571

Exploitation of this vulnerability can lead to unauthorized access, remote code execution, and potential compromise of the affected systems.

Technical Details of CVE-2022-36571

This section outlines the technical aspects of CVE-2022-36571.

Vulnerability Description

The vulnerability arises due to improper handling of input, allowing an attacker to overflow the stack and potentially execute malicious code.

Affected Systems and Versions

Tenda AC9 V15.03.05.19 is confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the mask parameter in the /goform/WanParameterSetting URL to trigger the stack overflow.

Mitigation and Prevention

Here we discuss the steps to mitigate and prevent exploitation of CVE-2022-36571.

Immediate Steps to Take

Users are advised to apply security patches provided by the vendor, restrict access to vulnerable services, and monitor network traffic for any suspicious activity.

Long-Term Security Practices

Employing network segmentation, regular security audits, and keeping systems updated with the latest security patches can enhance overall cybersecurity posture.

Patching and Updates

Regularly check for updates from Tenda to ensure the latest patches are applied to address CVE-2022-36571.