CVE-2020-26923 : Security Advisory and Response

Certain NETGEAR devices are affected by stored XSS vulnerability.

Understanding CVE-2020-26923

What is CVE-2020-26923?

CVE-2020-26923 is a vulnerability impacting certain NETGEAR devices, including WC7500, WC7600, WC7600v2, and WC9500, before version 6.5.5.24. The vulnerability involves stored cross-site scripting (XSS).

The Impact of CVE-2020-26923

This vulnerability has a CVSS base score of 4.3, with medium severity. It requires high privileges for exploitation and user interaction is required. The attack complexity is low, and the confidentiality and integrity impacts are low as well.

Technical Details of CVE-2020-26923

Vulnerability Description

The vulnerability allows attackers to inject malicious scripts into web pages viewed by other users.

Affected Systems and Versions

WC7500 before 6.5.5.24
WC7600 before 6.5.5.24
WC7600v2 before 6.5.5.24
WC9500 before 6.5.5.24

Exploitation Mechanism

The attacker needs high privileges to exploit this vulnerability and user interaction is required.

Mitigation and Prevention

Immediate Steps to Take

Update affected devices to version 6.5.5.24 or later.
Monitor network traffic for any suspicious activities.
Educate users about the risks of clicking on unknown links.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security audits and penetration testing.

Patching and Updates

Ensure all NETGEAR devices are running on the latest firmware version to mitigate the risk of stored XSS vulnerability.