CVE-2019-3915 : What You Need to Know

CVE-2019-3915 pertains to an authentication bypass vulnerability in the Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05, allowing unauthorized users to access the administrative web interface without proper authentication.

Understanding CVE-2019-3915

This CVE involves a security flaw in the Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 that enables attackers with nearby network access to bypass authentication mechanisms.

What is CVE-2019-3915?

An unauthorized user can exploit this vulnerability to intercept and replay login requests, granting them access to the administrative web interface without the required authentication.

The Impact of CVE-2019-3915

The vulnerability allows attackers to gain unauthorized access to the administrative functions of the Verizon Fios Quantum Gateway (G1100) router, potentially compromising network security and user data.

Technical Details of CVE-2019-3915

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in the Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05 enables an unauthenticated attacker with adjacent network access to intercept and replay login requests, leading to unauthorized access to the administrative web interface.

Affected Systems and Versions

Product: Fios Quantum Gateway (G1100)
Vendor: Verizon
Firmware Version: 02.01.00.05

Exploitation Mechanism

Attackers exploit the vulnerability by capturing and replaying login requests, circumventing the authentication process and gaining unauthorized access to the router's administrative interface.

Mitigation and Prevention

Protecting against CVE-2019-3915 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the firmware to the latest version provided by Verizon.
Monitor network traffic for any suspicious activity.
Restrict access to the administrative interface.

Long-Term Security Practices

Regularly update router firmware to patch known vulnerabilities.
Implement strong network security measures, such as using complex passwords and enabling encryption.

Patching and Updates

Verizon may release patches or updates to address the vulnerability. Ensure timely installation of these updates to mitigate the risk of unauthorized access.