CVE-2019-20664 : Exploit Details and Defense Strategies

A Stored XSS vulnerability has been identified in specific NETGEAR devices, affecting various versions of RBR, RBS, and RBK models.

Understanding CVE-2019-20664

This CVE involves a Stored XSS vulnerability in certain NETGEAR devices.

What is CVE-2019-20664?

Stored XSS vulnerability affecting NETGEAR devices, including RBR20, RBS20, RBK20, RBR40, RBS40, RBK40, RBR50, RBS50, and RBK50.

The Impact of CVE-2019-20664

CVSS Base Score: 6 (Medium Severity)
Attack Complexity: Low
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: High
User Interaction: None
Scope: Unchanged
No Availability Impact

Technical Details of CVE-2019-20664

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows for Stored Cross-Site Scripting (XSS) attacks on the affected NETGEAR devices.

Affected Systems and Versions

RBR20 before 2.3.5.26
RBS20 before 2.3.5.26
RBK20 before 2.3.5.26
RBR40 before 2.3.5.30
RBS40 before 2.3.5.30
RBK40 before 2.3.5.30
RBR50 before 2.3.5.30
RBS50 before 2.3.5.30
RBK50 before 2.3.5.30

Exploitation Mechanism

The vulnerability can be exploited by an attacker with high privileges to inject malicious scripts into the affected devices.

Mitigation and Prevention

Protecting your systems from CVE-2019-20664 is crucial to maintaining security.

Immediate Steps to Take

Update the firmware of the affected NETGEAR devices to versions that address the vulnerability.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update firmware and security patches on all network devices.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

NETGEAR has released patches to address the Stored XSS vulnerability in the affected device versions.