CVE-2021-45672 : Vulnerability Insights and Analysis

Certain NETGEAR devices are affected by Stored XSS vulnerability, impacting multiple router models.

Understanding CVE-2021-45672

What is CVE-2021-45672?

Certain NETGEAR devices, including popular router models, are vulnerable to Stored Cross-Site Scripting (XSS) attacks.

The Impact of CVE-2021-45672

The vulnerability has a CVSS base score of 4.2 (Medium severity) and requires high privileges for exploitation. It allows an attacker to execute malicious scripts in the context of a legitimate user's session.

Technical Details of CVE-2021-45672

Vulnerability Description

Stored XSS vulnerability in NETGEAR devices allows attackers to inject and execute malicious scripts on affected devices.

Affected Systems and Versions

D6200 before 1.1.00.40
D7000 before 1.0.1.78
R6020, R6080, R6120, R6220, R6230, R6260, R6800, R6900v2, R6700v2, R6850, R7200, R7350, R7400, R7450, AC2100, AC2400, AC2600, and RAX40

Exploitation Mechanism

The vulnerability requires high privileges and user interaction to exploit. An attacker needs to trick a user with elevated privileges into accessing a crafted link or website to execute malicious scripts.

Mitigation and Prevention

Immediate Steps to Take

Update affected NETGEAR devices to the latest firmware versions provided by the vendor.
Regularly monitor for security advisories and patches from NETGEAR.

Long-Term Security Practices

Implement strong password policies and user privilege management.
Enable automatic firmware updates on NETGEAR routers to ensure timely security patches.

Patching and Updates

Regularly check for firmware updates on NETGEAR's official website and apply patches promptly to mitigate the Stored XSS vulnerability.