CVE-2019-20673 : Security Advisory and Response
Learn about CVE-2019-20673, a Stored XSS vulnerability in certain NETGEAR devices affecting models RBR20, RBS20, RBK20, RBR40, RBS40, RBK40, RBR50, RBS50, and RBK50. Find mitigation steps and patching information here.
A Stored XSS vulnerability has been identified in certain NETGEAR devices, affecting various models.
Understanding CVE-2019-20673
This CVE involves a Stored XSS vulnerability in specific NETGEAR devices, impacting multiple models.
What is CVE-2019-20673?
Stored XSS vulnerability affecting NETGEAR devices, including models RBR20, RBS20, RBK20, RBR40, RBS40, RBK40, RBR50, RBS50, and RBK50.
The Impact of CVE-2019-20673
- 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
- No Availability Impact
Technical Details of CVE-2019-20673
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows for Stored Cross-Site Scripting (XSS) attacks on the affected NETGEAR devices.
Affected Systems and Versions
- RBR20 (version before 2.3.5.26)
- RBS20 (version before 2.3.5.26)
- RBK20 (version before 2.3.5.26)
- RBR40 (version before 2.3.5.30)
- RBS40 (version before 2.3.5.30)
- RBK40 (version before 2.3.5.30)
- RBR50 (version before 2.3.5.30)
- RBS50 (version before 2.3.5.30)
- RBK50 (version before 2.3.5.30)
Exploitation Mechanism
The vulnerability can be exploited by an attacker with high privileges to inject malicious scripts into the affected devices.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of the CVE-2019-20673 vulnerability.
Immediate Steps to Take
- Update affected devices to versions 2.3.5.26 or 2.3.5.30, depending on the model.
- Monitor network traffic for any suspicious activities.
- Implement strong access controls and authentication mechanisms.
Long-Term Security Practices
- Regularly update firmware and security patches.
- Conduct security audits and penetration testing.
- Educate users on safe browsing habits and security best practices.
Patching and Updates
- NETGEAR has released patches to address the vulnerability. Ensure all devices are updated to the latest firmware versions.