CVE-2019-20650 : What You Need to Know

A denial of service vulnerability has been identified in certain NETGEAR devices, impacting models such as R8900, R9000, XR500, and XR700.

Understanding CVE-2019-20650

This CVE involves a denial of service issue affecting specific NETGEAR router models.

What is CVE-2019-20650?

CVE-2019-20650 is a vulnerability that targets NETGEAR routers, including the R8900, R9000, XR500, and XR700 models, leading to a denial of service.

The Impact of CVE-2019-20650

The vulnerability has a CVSS base score of 5.3, with a medium severity level. It can be exploited with high attack complexity and adjacent network access, resulting in a high impact on availability.

Technical Details of CVE-2019-20650

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

Vulnerability Description

The vulnerability allows attackers to launch denial of service attacks on affected NETGEAR routers, disrupting their normal operation.

Affected Systems and Versions

R8900 model versions prior to 1.0.5.2
R9000 model versions prior to 1.0.5.2
XR500 model versions prior to 2.3.2.56
XR700 model versions prior to 1.0.1.20

Exploitation Mechanism

Attackers can exploit this vulnerability with high complexity and adjacent network access, requiring no user privileges.

Mitigation and Prevention

Protecting systems from CVE-2019-20650 is crucial to maintaining network security.

Immediate Steps to Take

Update affected devices to the latest firmware versions provided by NETGEAR.
Implement network segmentation to minimize the impact of potential attacks.
Monitor network traffic for any signs of unusual activity.

Long-Term Security Practices

Regularly update router firmware to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

NETGEAR has released patches for the affected models. Ensure timely installation of these updates to mitigate the risk of exploitation.