CVE-2019-20674 : Exploit Details and Defense Strategies

A Stored XSS vulnerability has been identified in certain NETGEAR devices, affecting various models.

Understanding CVE-2019-20674

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

What is CVE-2019-20674?

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

The Impact of CVE-2019-20674

CVSS Base Score: 6 (Medium Severity)
Attack Complexity: Low
Attack Vector: Local
Confidentiality and Integrity Impact: High
Privileges Required: High
User Interaction: None
Scope: Unchanged
Availability Impact: None

Technical Details of CVE-2019-20674

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows for Stored XSS attacks on the affected NETGEAR devices.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited by an attacker with high privileges, locally, without user interaction.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of the CVE.

Immediate Steps to Take

Update affected devices to versions 2.3.5.26 or 2.3.5.30, depending on the model.
Monitor for any signs of unauthorized access or malicious activity.

Long-Term Security Practices

Regularly update firmware and security patches on NETGEAR devices.
Implement network segmentation and access controls to limit exposure to vulnerabilities.

Patching and Updates

Stay informed about security advisories from NETGEAR and apply patches promptly.