CVE-2022-37823 : Security Advisory and Response

This article discusses the details of CVE-2022-37823, a vulnerability found in Tenda AX1803 v1.0.0.1 which leads to a stack overflow via a specific parameter.

Understanding CVE-2022-37823

This section dives into what CVE-2022-37823 is and the impact it can have.

What is CVE-2022-37823?

CVE-2022-37823 is a vulnerability discovered in Tenda AX1803 v1.0.0.1 that allows for a stack overflow through a particular parameter in the function formSetVirtualSer.

The Impact of CVE-2022-37823

The impact of this vulnerability can be severe, potentially leading to unauthorized access or denial of service.

Technical Details of CVE-2022-37823

This section covers the technical aspects of CVE-2022-37823.

Vulnerability Description

The vulnerability arises from inadequate input validation in the list parameter of the formSetVirtualSer function.

Affected Systems and Versions

Tenda AX1803 v1.0.0.1 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

Hackers can exploit this vulnerability by crafting malicious input that triggers a stack overflow, potentially gaining control over the affected system.

Mitigation and Prevention

Here we explore the steps to mitigate the risks posed by CVE-2022-37823.

Immediate Steps to Take

It is crucial to update the affected Tenda AX1803 devices to a secure firmware version that patches the stack overflow vulnerability.

Long-Term Security Practices

Implementing secure coding practices, regular security audits, and network segmentation can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly checking for firmware updates from Tenda and promptly applying patches is essential to protect against known vulnerabilities and ensure system security.