CVE-2021-45671 Explained : Impact and Mitigation

A stored XSS vulnerability affects certain NETGEAR devices.

Understanding CVE-2021-45671

This CVE discloses a stored cross-site scripting vulnerability present in multiple NETGEAR devices.

What is CVE-2021-45671?

The vulnerability impacts various NETGEAR devices, including models like CBR40, EAX80, RAX200, and others, before specific versions.

The Impact of CVE-2021-45671

The vulnerability has a CVSS base score of 6.5, indicating a medium severity issue. It requires high privileges to exploit and user interaction is required.

Technical Details of CVE-2021-45671

The technical aspects of the CVE.

Vulnerability Description

The stored XSS vulnerability affects multiple NETGEAR devices, allowing attackers to execute malicious scripts in the context of a user's session.

Affected Systems and Versions

CBR40 before 2.5.0.10
R8000 before 1.0.4.68
RAX50 before 1.0.2.72
And other listed models and versions

Exploitation Mechanism

The attacker needs to persuade the user to access a crafted link leading to the affected device to exploit the stored XSS vulnerability.

Mitigation and Prevention

Protecting against CVE-2021-45671.

Immediate Steps to Take

Update the firmware of affected devices to the latest patched versions.
Be cautious when clicking on unknown links or accessing suspicious websites.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Educate users on safe browsing practices and the risks of clicking on unverified links.

Patching and Updates

Apply patches released by NETGEAR to address the stored XSS vulnerability in the affected devices.