CVE-2017-16727 : Vulnerability Insights and Analysis

CVE-2017-16727 was published on December 22, 2017, by ICS-CERT. It involves a credentials management issue in Moxa NPort W2150A and W2250A devices, potentially allowing unauthorized access.

Understanding CVE-2017-16727

This CVE highlights a critical security vulnerability in certain versions of Moxa NPort devices that could compromise wireless data traffic.

What is CVE-2017-16727?

A flaw in managing credentials in Moxa NPort W2150A and W2250A devices (versions prior to 1.11) allows unauthorized users to access the device without a password, leading to a complete compromise of data confidentiality and integrity.

The Impact of CVE-2017-16727

The vulnerability enables malicious actors to gain unauthorized access to the affected devices, potentially leading to severe consequences such as data breaches and unauthorized control over wireless data traffic.

Technical Details of CVE-2017-16727

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The issue lies in the default password setting of Moxa NPort W2150A and W2250A devices, where no password is required for access, allowing unauthorized users to compromise the device's security.

Affected Systems and Versions

Product: Moxa NPort W2150A and W2250A
Versions: Moxa NPort W2150A and W2250A (prior to version 1.11)

Exploitation Mechanism

Unauthorized users can exploit the lack of a default password to gain access to the affected devices, compromising data confidentiality and integrity.

Mitigation and Prevention

Protecting systems from CVE-2017-16727 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected devices to version 1.11 or newer to enforce password protection.
Implement strong, unique passwords for device access.
Monitor network traffic for any unauthorized access attempts.

Long-Term Security Practices

Regularly update firmware and security patches for all devices.
Conduct security audits and penetration testing to identify vulnerabilities.
Educate users on secure password practices and device access protocols.

Patching and Updates

Moxa has released version 1.11 to address the vulnerability. Ensure all affected devices are promptly updated to the latest secure version.