CVE-2022-46582 : Vulnerability Insights and Analysis

A stack overflow vulnerability was found in TRENDnet TEW755AP 1.13B01, specifically in the do_graph_auth function, allowing remote attackers to execute arbitrary code via a crafted login_name parameter.

Understanding CVE-2022-46582

This section will cover the details of CVE-2022-46582, including its impact, technical details, and mitigation steps.

What is CVE-2022-46582?

CVE-2022-46582 is a stack overflow vulnerability in TRENDnet TEW755AP 1.13B01, triggered by the login_name parameter in the do_graph_auth function. It can be exploited by remote attackers to execute arbitrary code.

The Impact of CVE-2022-46582

The vulnerability allows attackers to achieve remote code execution on affected systems, posing a significant risk to confidentiality, integrity, and availability.

Technical Details of CVE-2022-46582

Here we delve into the specifics of the vulnerability, including the description, affected systems, and exploitation mechanism.

Vulnerability Description

The stack overflow occurs due to insufficient validation of user-supplied input in the login_name parameter of the do_graph_auth function, leading to a buffer overflow condition.

Affected Systems and Versions

TRENDnet TEW755AP 1.13B01 is confirmed to be affected by this vulnerability, with the specific versions and vendors disclosed.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by sending a crafted login_name parameter to the do_graph_auth function, triggering the stack overflow and potentially executing malicious code.

Mitigation and Prevention

In this section, we discuss the immediate steps to take and best practices to enhance security posture.

Immediate Steps to Take

It is recommended to apply vendor patches promptly, restrict network access to vulnerable devices, and monitor for any suspicious activity indicating exploitation.

Long-Term Security Practices

Implement secure coding practices, conduct regular security assessments, and educate users on identifying and reporting security issues to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security updates from TRENDnet and apply patches as soon as they are available to remediate the vulnerability.