CVE-2019-20651 Explained : Impact and Mitigation

A vulnerability in certain NETGEAR devices allows authenticated users to exploit command injection, affecting WAC505 and WAC510 versions prior to 8.2.1.16.

Understanding CVE-2019-20651

This CVE involves a command injection vulnerability in specific NETGEAR devices, enabling authenticated users to execute arbitrary commands.

What is CVE-2019-20651?

The vulnerability allows authenticated users to perform command injection on affected NETGEAR devices, potentially leading to unauthorized access and control.

The Impact of CVE-2019-20651

The vulnerability has a CVSS base score of 8.1 (High severity) with high impacts on confidentiality, integrity, and privileges required for exploitation.

Technical Details of CVE-2019-20651

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in NETGEAR devices allows authenticated users to execute arbitrary commands, posing a significant security risk.

Affected Systems and Versions

Affected devices: WAC505 and WAC510
Vulnerable versions: Prior to 8.2.1.16

Exploitation Mechanism

The vulnerability can be exploited by authenticated users to inject and execute malicious commands, potentially compromising the device's security.

Mitigation and Prevention

Protecting systems from CVE-2019-20651 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update affected devices to versions 8.2.1.16 or later to mitigate the vulnerability.
Monitor network traffic for any suspicious activities that may indicate exploitation.

Long-Term Security Practices

Implement strong authentication mechanisms to prevent unauthorized access.
Regularly update and patch devices to address security vulnerabilities.
Conduct security audits and assessments to identify and mitigate potential risks.
Educate users on safe practices to prevent social engineering attacks.

Patching and Updates

Regularly check for firmware updates and security advisories from NETGEAR to ensure devices are protected against known vulnerabilities.