CVE-2019-20717 : Vulnerability Insights and Analysis

Several NETGEAR devices are susceptible to denial of service, including the D3600, D6000, D7800, EX2700, EX6200v2, EX8000, R7500v2, R7800, RBK20, RBR20, RBS20, RBK50, RBR50, RBS50, RBS40, SRK60, SRR60, SRS60, WN2000RPTv3, WN3000RPv2, WN3000RPv3, WN3100RPv2, WNDR4300v2, and WNDR4500v3 versions prior to specified versions.

Understanding CVE-2019-20717

This CVE identifies a denial of service vulnerability affecting various NETGEAR devices.

What is CVE-2019-20717?

The CVE-2019-20717 vulnerability involves a denial of service issue in multiple NETGEAR devices due to specific versions being susceptible to exploitation.

The Impact of CVE-2019-20717

The vulnerability has a CVSS base score of 4.3, indicating a medium severity issue with low attack complexity and impact on availability.

Technical Details of CVE-2019-20717

This section provides more technical insights into the CVE-2019-20717 vulnerability.

Vulnerability Description

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

Affected Systems and Versions

The following NETGEAR devices are impacted by this vulnerability:

D3600 versions prior to 1.0.0.75
D6000 versions prior to 1.0.0.75
D7800 versions prior to 1.0.1.44
and more (refer to the descriptions for the full list).

Exploitation Mechanism

The vulnerability can be exploited by attackers in the adjacent network without requiring any special privileges, leading to a denial of service condition.

Mitigation and Prevention

To address CVE-2019-20717, users should take immediate and long-term security measures.

Immediate Steps to Take

Update the firmware of affected devices to the latest versions provided by NETGEAR.
Implement network segmentation to minimize the impact of potential attacks.

Long-Term Security Practices

Regularly monitor for security advisories and updates from NETGEAR.
Employ network intrusion detection systems to identify and mitigate potential threats.

Patching and Updates

NETGEAR has released patches for the affected devices to address the vulnerability. Users should promptly apply these patches to secure their devices.