CVE-2019-20669 : Exploit Details and Defense Strategies

Stored XSS vulnerabilities have been identified in certain models of NETGEAR devices, affecting multiple versions. This CVE has a CVSS base score of 6, indicating a medium severity issue.

Understanding CVE-2019-20669

This CVE pertains to stored XSS vulnerabilities in specific NETGEAR devices.

What is CVE-2019-20669?

Stored XSS vulnerabilities have been found in various NETGEAR device models, potentially allowing attackers to execute malicious scripts in the context of a user's browser.

The Impact of CVE-2019-20669

The vulnerability has a CVSS base score of 6, with high impacts on confidentiality and integrity, requiring high privileges for exploitation.

Technical Details of CVE-2019-20669

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability allows for stored XSS attacks on NETGEAR devices, affecting versions RBR20, RBS20, RBK20, RBR40, RBS40, RBK40, RBR50, RBS50, and RBK50 prior to specific versions.

Affected Systems and Versions

RBR20, RBS20, RBK20 before 2.3.5.26
RBR40, RBS40, RBK40 before 2.3.5.30
RBR50, RBS50, RBK50 before 2.3.5.30

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Local
Privileges Required: High
User Interaction: None
Scope: Unchanged
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: None

Mitigation and Prevention

Protecting systems from this vulnerability is crucial to maintaining security.

Immediate Steps to Take

Apply security patches provided by NETGEAR for the affected versions.
Monitor for any unusual activities on the devices.

Long-Term Security Practices

Regularly update firmware and software to the latest versions.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure that all NETGEAR devices are updated with the latest firmware versions to mitigate the risk of stored XSS vulnerabilities.