CVE-2019-20666 Explained : Impact and Mitigation
Learn about CVE-2019-20666, a Stored Cross-Site Scripting (XSS) vulnerability impacting specific NETGEAR devices with firmware versions prior to 2.3.5.30. Find out the impact, affected systems, and mitigation steps.
Stored Cross-Site Scripting (XSS) vulnerability impacts specific NETGEAR devices with firmware versions prior to 2.3.5.30.
Understanding CVE-2019-20666
Stored XSS vulnerability affecting certain NETGEAR devices.
What is CVE-2019-20666?
- Stored Cross-Site Scripting (XSS) vulnerability affecting specific models of NETGEAR devices
- Vulnerable firmware versions: RBR50, RBS50, and RBK50 prior to 2.3.5.30
The Impact of CVE-2019-20666
- CVSS v3.0 Base Score: 6 (Medium Severity)
- Attack Complexity: Low
- Attack Vector: Local
- Confidentiality and Integrity Impact: High
- Privileges Required: High
- No user interaction required
Technical Details of CVE-2019-20666
Stored XSS vulnerability details and affected systems.
Vulnerability Description
- Stored XSS vulnerability in NETGEAR devices
Affected Systems and Versions
- RBR50 firmware versions prior to 2.3.5.30
- RBS50 firmware versions prior to 2.3.5.30
- RBK50 firmware versions prior to 2.3.5.30
Exploitation Mechanism
- Attackers can inject malicious scripts into web pages viewed by users
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2019-20666.
Immediate Steps to Take
- Update affected devices to firmware version 2.3.5.30 or later
- Regularly monitor for security advisories from NETGEAR
Long-Term Security Practices
- Implement network segmentation to limit the impact of potential attacks
- Educate users on safe browsing practices and avoiding suspicious links
Patching and Updates
- Apply security patches and firmware updates promptly to address known vulnerabilities