CVE-2019-20718 : Security Advisory and Response

A vulnerability has been identified in certain NETGEAR devices that allows authenticated users to execute commands.

Understanding CVE-2019-20718

This CVE affects specific models of NETGEAR devices, enabling authenticated users to run commands on the affected devices.

What is CVE-2019-20718?

The vulnerability in CVE-2019-20718 allows authenticated users to execute commands on various NETGEAR device models.

The Impact of CVE-2019-20718

The vulnerability has a CVSS base score of 6.8, with high impacts on availability, confidentiality, and integrity. It requires high privileges and has a low attack complexity.

Technical Details of CVE-2019-20718

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability allows authenticated users to perform command injections on affected NETGEAR devices.

Affected Systems and Versions

The following NETGEAR device models are affected:

D6220 (before version 1.0.0.48)
D6400 (before version 1.0.0.82)
D7000v2 (before version 1.0.0.52)
D8500 (before version 1.0.3.43)
R6250 (before version 1.0.4.34)
R6400 (before version 1.0.1.44)
R6400v2 (before version 1.0.2.62)
R7100LG (before version 1.0.0.48)
R7300DST (before version 1.0.0.68)
R7900 (before version 1.0.3.8)
R7900P (before version 1.4.1.30)
R8000 (before version 1.0.4.28)
R8000P (before version 1.4.1.30)
R8300 (before version 1.0.2.128)
R8500 (before version 1.0.2.128)

Exploitation Mechanism

The vulnerability can be exploited by authenticated users to execute arbitrary commands on the affected NETGEAR devices.

Mitigation and Prevention

Protecting against CVE-2019-20718 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the firmware of the affected devices to the latest patched versions.
Monitor network traffic for any suspicious activities.
Restrict access to vulnerable devices.

Long-Term Security Practices

Regularly update firmware and security patches on all network devices.
Implement strong authentication mechanisms and access controls.
Conduct regular security audits and assessments.

Patching and Updates

Ensure that all NETGEAR devices are running the latest firmware versions to mitigate the CVE-2019-20718 vulnerability.