CVE-2022-29377 : Vulnerability Insights and Analysis

Totolink A3600R V4.1.2cu.5182_B20201102 was found to have a stack overflow vulnerability in the fread function at infostat.cgi, leading to Denial of Service (DoS) attacks.

Understanding CVE-2022-29377

This section provides insights into the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2022-29377?

The CVE-2022-29377 vulnerability exists in Totolink A3600R V4.1.2cu.5182_B20201102 due to a stack overflow in the fread function at infostat.cgi. Attackers can exploit this flaw to trigger a DoS by using the CONTENT_LENGTH parameter.

The Impact of CVE-2022-29377

The vulnerability can result in a complete Denial of Service condition, rendering the affected device or service unavailable to legitimate users.

Technical Details of CVE-2022-29377

Below are the technical aspects related to this vulnerability.

Vulnerability Description

Totolink A3600R V4.1.2cu.5182_B20201102 is susceptible to a stack overflow issue in the fread function at infostat.cgi.

Affected Systems and Versions

Product: Totolink A3600R Version: V4.1.2cu.5182_B20201102

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the CONTENT_LENGTH parameter, leading to a stack overflow and subsequent DoS.

Mitigation and Prevention

To safeguard systems from CVE-2022-29377, follow the recommended mitigation techniques.

Immediate Steps to Take

Implement firewall rules to restrict access to vulnerable services.
Regularly monitor network traffic for any suspicious activity.

Long-Term Security Practices

Keep software and firmware up to date to patch any known vulnerabilities.
Conduct regular security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Refer to the vendor's security advisory and apply any patches or updates provided to address the CVE-2022-29377 vulnerability.