CVE-2021-45663 : Security Advisory and Response

NETGEAR R7000 devices before 1.0.11.126 are affected by stored XSS vulnerability.

Understanding CVE-2021-45663

What is CVE-2021-45663?

CVE-2021-45663 is a vulnerability that impacts NETGEAR R7000 devices, leading to stored Cross-Site Scripting (XSS) attacks.

The Impact of CVE-2021-45663

This vulnerability has a CVSS base score of 6.1 (Medium Severity) with high impacts on confidentiality and integrity, requiring elevated privileges for exploitation.

Technical Details of CVE-2021-45663

Vulnerability Description

NETGEAR R7000 devices before version 1.0.11.126 are susceptible to stored XSS attacks, allowing malicious actors to inject and execute scripts in the context of a victim's browser.

Affected Systems and Versions

Affected Product: NETGEAR R7000
Affected Version: < 1.0.11.126

Exploitation Mechanism

The attacker needs High privileges to exploit this vulnerability. The attack complexity is low, requiring adjacency to the network and no user interaction.

Mitigation and Prevention

Immediate Steps to Take

Update NETGEAR R7000 devices to version 1.0.11.126 to mitigate the vulnerability.
Regularly monitor for any suspicious activities on the network.

Long-Term Security Practices

Implement network segmentation to reduce the attack surface.
Educate users on safe browsing practices to prevent XSS attacks.

Patching and Updates

Stay informed about security advisories and apply patches promptly to prevent potential security breaches.