CVE-2022-44249 : Exploit Details and Defense Strategies

This article provides an overview of CVE-2022-44249, a command injection vulnerability found in TOTOLINK NR1800X V9.1.0u.6279_B20210910 that can be exploited via the FileName parameter in the UploadFirmwareFile function.

Understanding CVE-2022-44249

This section delves into the details of the CVE-2022-44249 vulnerability.

What is CVE-2022-44249?

CVE-2022-44249 is a command injection vulnerability identified in TOTOLINK NR1800X V9.1.0u.6279_B20210910. It allows attackers to execute arbitrary commands through the FileName parameter in the UploadFirmwareFile function.

The Impact of CVE-2022-44249

The impact of this vulnerability can lead to unauthorized command execution, potential system compromise, and unauthorized access to sensitive information.

Technical Details of CVE-2022-44249

This section covers the technical aspects of CVE-2022-44249.

Vulnerability Description

TOTOLINK NR1800X V9.1.0u.6279_B20210910 is susceptible to command injection due to improper validation of user-supplied input in the FileName parameter.

Affected Systems and Versions

The vulnerability affects TOTOLINK NR1800X V9.1.0u.6279_B20210910 version specifically.

Exploitation Mechanism

Exploiting CVE-2022-44249 involves manipulating the FileName parameter in the UploadFirmwareFile function to inject and execute malicious commands.

Mitigation and Prevention

Learn how to protect your systems from CVE-2022-44249 in this section.

Immediate Steps to Take

Immediately restrict access to the affected function and apply security patches provided by the vendor.

Long-Term Security Practices

Implement strict input validation, monitor network traffic for suspicious activities, and regularly update firmware and security software.

Patching and Updates

Regularly check for updates and patches from TOTOLINK to address the CVE-2022-44249 vulnerability.