CVE-2017-18811 Explained : Impact and Mitigation

Stored XSS is a security vulnerability affecting NETGEAR ReadyNAS OS 6 devices running versions prior to 6.8.0.

Understanding CVE-2017-18811

This CVE involves a stored XSS vulnerability in NETGEAR ReadyNAS OS 6 devices.

What is CVE-2017-18811?

Stored XSS is a type of cross-site scripting vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2017-18811

CVSS Base Score: 5.2 (Medium)
Attack Vector: Local
Privileges Required: High
User Interaction: Required
Scope: Changed
Confidentiality, Integrity, and Availability Impact: Low

Technical Details of CVE-2017-18811

This section provides more technical insights into the vulnerability.

Vulnerability Description

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

Affected Systems and Versions

Affected Systems: NETGEAR ReadyNAS OS 6 devices
Affected Versions: Prior to 6.8.0

Exploitation Mechanism

Attackers with high privileges can exploit this vulnerability by injecting malicious scripts that get executed when a user interacts with the affected device.

Mitigation and Prevention

Protecting against and mitigating the impact of CVE-2017-18811.

Immediate Steps to Take

Update affected devices to version 6.8.0 or later.
Regularly monitor for any suspicious activities on the network.

Long-Term Security Practices

Implement strict input validation to prevent XSS attacks.
Educate users about safe browsing practices and the risks of executing unknown scripts.

Patching and Updates

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