CVE-2019-20680 : What You Need to Know

Several NETGEAR devices are vulnerable to command injection, potentially allowing an authorized user to execute arbitrary commands. The affected models include D7000v2, R6220, R6260, R6700, R6700v2, R6800, R6900, R6900P, R6900v2, R7000, R7000P, R7800, R7900, R7900P, R8000, R8000P, R8300, R8500, R8900, R9000, and XR500.

Understanding CVE-2019-20680

This CVE identifies a command injection vulnerability in various NETGEAR router models, potentially leading to unauthorized command execution.

What is CVE-2019-20680?

CVE-2019-20680 is a security vulnerability that allows an authenticated user to inject and execute arbitrary commands on specific NETGEAR router models.

The Impact of CVE-2019-20680

The vulnerability has a CVSS base score of 7, indicating a high severity level. It can result in high confidentiality and integrity impacts, with low privileges required for exploitation.

Technical Details of CVE-2019-20680

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows an authenticated user to inject and execute commands on affected NETGEAR routers, compromising system integrity and confidentiality.

Affected Systems and Versions

The following NETGEAR router models are affected:

D7000v2 versions prior to 1.0.0.53
R6220 versions prior to 1.1.0.80
R6260 versions prior to 1.1.0.64
R6700 versions prior to 1.0.2.6
R6700v2 versions prior to 1.2.0.36
R6800 versions prior to 1.2.0.36
R6900 versions prior to 1.0.2.4
R6900P versions prior to 1.3.1.64
R6900v2 versions prior to 1.2.0.36
R7000 versions prior to 1.0.9.60
R7000P versions prior to 1.3.1.64
R7800 versions prior to 1.0.2.60
R7900 versions prior to 1.0.3.8
R7900P versions prior to 1.4.1.30
R8000 versions prior to 1.0.4.46
R8000P versions prior to 1.4.1.30
R8300 versions prior to 1.0.2.128
R8500 versions prior to 1.0.2.128
R8900 versions prior to 1.0.4.12
R9000 versions prior to 1.0.4.12
XR500 versions prior to 2.3.2.32

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user to inject malicious commands, potentially leading to unauthorized access and control of the affected routers.

Mitigation and Prevention

Protecting against CVE-2019-20680 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the firmware of the affected NETGEAR routers to the latest versions that contain security patches.
Monitor network traffic for any suspicious activities that might indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update router firmware to ensure the latest security fixes are in place.
Implement strong password policies and user access controls to prevent unauthorized access.

Patching and Updates

NETGEAR has released firmware updates addressing the CVE-2019-20680 vulnerability. It is crucial to apply these patches promptly to secure the affected devices.