CVE-2021-45535 : What You Need to Know

Certain NETGEAR devices are affected by command injection by an authenticated user. This impacts various router models before specific versions.

Understanding CVE-2021-45535

This CVE describes a command injection vulnerability in certain NETGEAR devices, potentially exploited by an authenticated user.

What is CVE-2021-45535?

The vulnerability allows an authenticated user to execute arbitrary commands on affected NETGEAR devices.

The Impact of CVE-2021-45535

The CVSS score for this vulnerability is 8.4, marking it as high severity with significant impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2021-45535

The technical aspects of the CVE.

Vulnerability Description

Command injection vulnerability on authenticated user access.

Affected Systems and Versions

RAX200 before 1.0.3.106
RAX80 before 1.0.3.106
RAX75 before 1.0.3.106
RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850 before 3.2.16.6

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Adjacent Network
High impacts on availability, confidentiality, and integrity
Privileges Required: High
Scope: Changed

Mitigation and Prevention

Preventive measures to safeguard against the vulnerability.

Immediate Steps to Take

Update NETGEAR devices to the specific patched versions mentioned.
Regularly monitor for any suspicious activities.

Long-Term Security Practices

Implement strong authentication mechanisms.
Conduct regular security audits and assessments.

Patching and Updates

Apply all available security patches promptly to ensure protection against known vulnerabilities.