CVE-2018-19660 : What You Need to Know

Moxa NPort W2x50A products with firmware versions earlier than 2.2 Build_18082311 are vulnerable to authenticated command injection through a specially crafted HTTP POST request.

Understanding CVE-2018-19660

This CVE involves a security vulnerability in Moxa NPort W2x50A products that allows attackers to execute operating system commands with root privileges.

What is CVE-2018-19660?

An authenticated command-injection vulnerability in the web server functionality of Moxa NPort W2x50A products enables attackers to run OS commands as the root user by manipulating HTTP POST requests.

The Impact of CVE-2018-19660

This vulnerability can be exploited by authenticated users to execute arbitrary commands with elevated privileges, potentially leading to unauthorized access and control of the affected system.

Technical Details of CVE-2018-19660

Moxa NPort W2x50A products with firmware versions prior to 2.2 Build_18082311 are susceptible to this security flaw.

Vulnerability Description

The flaw allows authenticated users to perform command injection by sending a malicious HTTP POST request to the /goform/webSettingProfileSecurity endpoint.

Affected Systems and Versions

Product: Moxa NPort W2x50A
Firmware Versions Affected: < 2.2 Build_18082311

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting specific HTTP POST requests to the vulnerable endpoint, enabling them to execute unauthorized OS commands with root privileges.

Mitigation and Prevention

To address CVE-2018-19660, users should take immediate action and implement long-term security measures.

Immediate Steps to Take

Update affected Moxa NPort W2x50A products to firmware version 2.2 Build_18082311 or later.
Monitor network traffic for any suspicious activity that may indicate exploitation attempts.

Long-Term Security Practices

Regularly review and update firmware to patch known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential security breaches.
Conduct security audits and penetration testing to identify and address any weaknesses in the system.

Patching and Updates

Apply patches and updates provided by Moxa to ensure the latest security fixes are in place.