CVE-2019-20661 Explained : Impact and Mitigation

A stored XSS vulnerability affects specific NETGEAR devices, impacting RBR50, RBS50, and RBK50 devices before version 2.3.5.30.

Understanding CVE-2019-20661

There is a presence of stored XSS vulnerability in specific NETGEAR devices, affecting certain models before a specific firmware version.

What is CVE-2019-20661?

CVE-2019-20661 is a stored XSS vulnerability found in NETGEAR devices, specifically impacting RBR50, RBS50, and RBK50 devices before version 2.3.5.30.

The Impact of CVE-2019-20661

This vulnerability has a CVSS base score of 6, with high impacts on confidentiality and integrity. It requires high privileges for exploitation and has a low attack complexity and vector.

Technical Details of CVE-2019-20661

Stored XSS vulnerability in NETGEAR devices with specific affected versions.

Vulnerability Description

The vulnerability allows attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized actions.

Affected Systems and Versions

RBR50 devices before version 2.3.5.30
RBS50 devices before version 2.3.5.30
RBK50 devices before version 2.3.5.30

Exploitation Mechanism

Attackers with high privileges can exploit this vulnerability locally, injecting malicious scripts to compromise confidentiality and integrity.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-20661 vulnerability.

Immediate Steps to Take

Update affected devices to version 2.3.5.30 or later to mitigate the vulnerability.
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 on safe browsing practices and the risks of clicking on unknown links.

Patching and Updates

Apply firmware updates promptly to ensure the latest security patches are in place.