CVE-2019-20687 : Vulnerability Insights and Analysis
Learn about CVE-2019-20687 affecting NETGEAR devices. Find out how to mitigate the denial of service vulnerability and protect your systems with firmware updates and security practices.
A number of NETGEAR devices are suffering from denial of service issues due to firmware vulnerabilities.
Understanding CVE-2019-20687
What is CVE-2019-20687?
Certain NETGEAR devices, including D6200, D7000, JR6150, R6050, and WNR2020 models, are affected by denial of service vulnerabilities.
The Impact of CVE-2019-20687
The vulnerability can lead to denial of service, affecting the availability of the devices.
Technical Details of CVE-2019-20687
Vulnerability Description
The vulnerability exists in NETGEAR devices with specific firmware versions, allowing attackers to trigger denial of service.
Affected Systems and Versions
- D6200 models with firmware versions earlier than 1.1.00.34
- D7000 models with firmware versions earlier than 1.0.1.70
- JR6150 models with firmware versions earlier than 1.0.1.18
- R6050 models with firmware versions earlier than 1.0.1.18
- WNR2020 models with firmware versions earlier than 1.1.0.62
Exploitation Mechanism
The vulnerability can be exploited by sending specially crafted network packets to the affected devices, causing them to become unresponsive.
Mitigation and Prevention
Immediate Steps to Take
- Update the firmware of the affected NETGEAR devices to the latest versions provided by the manufacturer.
- Implement network segmentation to minimize the impact of potential attacks.
Long-Term Security Practices
- Regularly monitor for firmware updates and security advisories from NETGEAR.
- Employ network intrusion detection systems to detect and block malicious traffic.
Patching and Updates
- Apply patches and updates promptly as they become available to address known vulnerabilities in the devices.