CVE-2022-46590 : What You Need to Know

This article provides an overview of CVE-2022-46590, a vulnerability found in TRENDnet TEW755AP 1.13B01 that could lead to a stack overflow attack.

Understanding CVE-2022-46590

This section delves into the details of the vulnerability and its potential impact.

What is CVE-2022-46590?

The CVE-2022-46590 vulnerability exists in the TRENDnet TEW755AP 1.13B01 device due to a stack overflow in the cameo.cameo.netstat_rsname parameter within the tools_netstat function.

The Impact of CVE-2022-46590

If exploited, this vulnerability could allow threat actors to execute arbitrary code on the affected device, potentially leading to a complete compromise of the system.

Technical Details of CVE-2022-46590

In this section, we explore the technical aspects of the vulnerability.

Vulnerability Description

The stack overflow vulnerability arises from improper handling of user-supplied input in the tools_netstat function, enabling malicious actors to trigger a buffer overflow.

Affected Systems and Versions

The issue impacts TRENDnet TEW755AP 1.13B01 devices with the specified configuration.

Exploitation Mechanism

By providing a specially crafted input to the cameo.cameo.netstat_rsname parameter, attackers can overrun the buffer, gaining control over the program flow.

Mitigation and Prevention

Here, we discuss steps to mitigate the risks associated with CVE-2022-46590.

Immediate Steps to Take

Users are advised to restrict network access to the vulnerable device and apply security best practices to minimize exposure to potential attacks.

Long-Term Security Practices

Implementing network segmentation, regularly updating firmware, and monitoring for unusual network activity can enhance overall security posture.

Patching and Updates

Vendor-supplied patches or firmware updates should be applied promptly to address the vulnerability and protect the device from exploitation.