CVE-2019-3405 : What You Need to Know

360F5 version 3.1.3.64296 and lower may be vulnerable to a Denial-of-Service (DoS) attack due to unauthorized entities triggering deauth frames. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2019-3405

What is CVE-2019-3405?

In 360F5 versions 3.1.3.64296 and below, a security vulnerability allows unauthorized entities to induce a Denial-of-Service (DoS) attack by causing disconnections of wireless devices connected to the network.

The Impact of CVE-2019-3405

This vulnerability enables attackers to disrupt the wireless functionality of routers, potentially leading to network outages and service interruptions.

Technical Details of CVE-2019-3405

Vulnerability Description

Unauthorized entities can exploit the vulnerability by sending specific illegal 802.11 Null Data Frames, prompting the device to transmit deauth frames and disconnecting other wireless devices.

Affected Systems and Versions

Product: 360F5
Versions affected: 3.1.3.64296 and lower

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting and sending malicious 802.11 Null Data Frames to trigger the transmission of deauth frames, disrupting wireless connections.

Mitigation and Prevention

Immediate Steps to Take

Update the firmware version of 360F5 to mitigate the vulnerability.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Regularly check for firmware updates and security patches to ensure the system is protected against known vulnerabilities.