CVE-2019-20546 Explained : Impact and Mitigation

A software vulnerability affecting Samsung mobile devices running N(7.x), O(8.x), and P(9.0) versions with Broadcom Wi-Fi chipsets.

Understanding CVE-2019-20546

What is CVE-2019-20546?

This CVE identifies a vulnerability in Samsung mobile devices that can be exploited for a denial-of-service attack through Broadcom Wi-Fi chipsets.

The Impact of CVE-2019-20546

The vulnerability allows attackers to disrupt the normal functioning of affected Samsung devices, potentially leading to service interruptions and device instability.

Technical Details of CVE-2019-20546

Vulnerability Description

The issue arises from a flaw in the software of Samsung devices utilizing Broadcom Wi-Fi chipsets, enabling attackers to exploit a shared interface with Broadcom Bluetooth for carrying out denial-of-service attacks.

Affected Systems and Versions

Samsung mobile devices running N(7.x), O(8.x), and P(9.0) versions

Exploitation Mechanism

Attackers can exploit the vulnerability by leveraging the common interface between Broadcom Bluetooth and Broadcom Wi-Fi on the affected Samsung devices.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Samsung to address the vulnerability.
Regularly update the device's software to mitigate potential security risks.

Long-Term Security Practices

Implement network segmentation to isolate vulnerable devices from critical systems.
Conduct regular security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security updates released by Samsung for your device.