CVE-2019-20668 : Security Advisory and Response

Stored XSS vulnerabilities have been discovered in certain NETGEAR devices, affecting various models.

Understanding CVE-2019-20668

This CVE involves Stored Cross-Site Scripting (XSS) vulnerabilities in specific NETGEAR devices.

What is CVE-2019-20668?

CVE-2019-20668 refers to the discovery of Stored XSS vulnerabilities in NETGEAR devices, impacting multiple models.

The Impact of CVE-2019-20668

The vulnerability has a CVSS base score of 6, with medium severity. It requires high privileges and affects confidentiality and integrity.

Technical Details of CVE-2019-20668

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to execute malicious scripts in the context of a user's session on affected NETGEAR devices.

Affected Systems and Versions

RBR20 (version earlier than 2.3.5.26)
RBS20 (version earlier than 2.3.5.26)
RBK20 (version earlier than 2.3.5.26)
RBR40 (version earlier than 2.3.5.30)
RBS40 (version earlier than 2.3.5.30)
RBK40 (version earlier than 2.3.5.30)
RBR50 (version earlier than 2.3.5.30)
RBS50 (version earlier than 2.3.5.30)
RBK50 (version earlier than 2.3.5.30)

Exploitation Mechanism

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

Mitigation and Prevention

To address CVE-2019-20668, follow these mitigation steps:

Immediate Steps to Take

Update the firmware of the affected NETGEAR devices to versions 2.3.5.26 or 2.3.5.30, depending on the model.
Regularly monitor for security advisories and patches from NETGEAR.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Educate users about safe browsing practices and the risks of XSS vulnerabilities.

Patching and Updates

Apply security patches and updates provided by NETGEAR to address the vulnerability.