CVE-2019-15805 : What You Need to Know

Devices manufactured by CommScope ARRIS, specifically the TR4400 model, are at risk of an authentication bypass vulnerability in their administrative interface. This vulnerability allows any user connected to the Wi-Fi network to potentially exploit the security flaw.

Understanding CVE-2019-15805

What is CVE-2019-15805?

CommScope ARRIS TR4400 devices with firmware through A1.00.004-180301 are vulnerable to an authentication bypass in the administrative interface due to the inclusion of the current base64 encoded password within the http://192.168.1.1/login.html page.

The Impact of CVE-2019-15805

This vulnerability poses a significant risk as it allows unauthorized users connected to the Wi-Fi network to exploit the security loophole and potentially gain unauthorized access to the device's administrative interface.

Technical Details of CVE-2019-15805

Vulnerability Description

The vulnerability in CommScope ARRIS TR4400 devices arises from the inclusion of the base64 encoded password within the login page, enabling potential attackers to bypass authentication.

Affected Systems and Versions

Affected System: CommScope ARRIS TR4400 devices
Vulnerable Firmware: A1.00.004-180301

Exploitation Mechanism

Attackers can exploit this vulnerability by accessing the http://192.168.1.1/login.html page and using the base64 encoded password to bypass authentication, gaining unauthorized access to the administrative interface.

Mitigation and Prevention

Immediate Steps to Take

Change the default password immediately to a strong, unique password to prevent unauthorized access.
Regularly monitor network activity for any suspicious behavior.

Long-Term Security Practices

Implement network segmentation to restrict access to critical devices.
Keep firmware and software up to date to patch known vulnerabilities.

Patching and Updates

Check for firmware updates from CommScope ARRIS and apply them promptly to address the authentication bypass vulnerability.