CVE-2019-3950 : What You Need to Know

Arlo Basestation firmware versions 1.12.0.1_27940 and prior have a hardcoded username and password combination, allowing unauthorized root access when an onboard serial interface is connected.

Understanding CVE-2019-3950

This CVE involves a critical security issue in Arlo Basestation firmware.

What is CVE-2019-3950?

The firmware versions 1.12.0.1_27940 and earlier for Arlo Basestation contain a hardcoded username and password combination that grants root access to the device when connected via an onboard serial interface.

The Impact of CVE-2019-3950

The hardcoded credentials pose a severe security risk as unauthorized users can gain root access to the device, compromising its integrity and potentially leading to unauthorized control or access.

Technical Details of CVE-2019-3950

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability stems from the inclusion of a hardcoded username and password in the affected firmware versions, enabling unauthorized root access.

Affected Systems and Versions

Product: Basestation firmware
Vendor: Arlo
Versions Affected: 1.12.0.1_27940 and prior

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by leveraging the hardcoded credentials to gain root access to the Arlo Basestation device when connected via an onboard serial interface.

Mitigation and Prevention

Protecting systems from CVE-2019-3950 requires immediate action and long-term security measures.

Immediate Steps to Take

Change default usernames and passwords on Arlo Basestation devices to unique, strong credentials to mitigate the risk of unauthorized access.
Implement network segmentation to restrict access to the device.

Long-Term Security Practices

Regularly update firmware to patch known vulnerabilities and enhance security measures.
Conduct security audits and penetration testing to identify and address potential security weaknesses.

Patching and Updates

Apply patches and updates provided by Arlo to address the hardcoded credentials issue and enhance the security of Basestation firmware.