CVE-2021-45627 : Vulnerability Insights and Analysis

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

Understanding CVE-2021-45627

Certain NETGEAR devices are susceptible to command injection, posing a significant security risk.

What is CVE-2021-45627?

The vulnerability allows an unauthenticated attacker to execute arbitrary commands on the affected devices, potentially leading to unauthorized access and control.

The Impact of CVE-2021-45627

This vulnerability has a CVSS base score of 9.6, indicating a critical impact. It affects confidentiality, integrity, and availability, with no privileged access required for exploitation.

Technical Details of CVE-2021-45627

The technical aspects of the CVE reveal crucial details about the vulnerability.

Vulnerability Description

Command injection vulnerability in NETGEAR devices
Unauthenticated attacker can exploit it

Affected Systems and Versions

CBR750 before 4.6.3.6
RBK852 before 3.2.17.12
RBR850 before 3.2.17.12
RBS850 before 3.2.17.12

Exploitation Mechanism

Attack complexity: Low
Attack vector: Adjacent network
Availability impact: High
Confidentiality impact: High
Integrity impact: High
No privileges required
Scope: Changed
User interaction: None

Mitigation and Prevention

Mitigation strategies and preventive measures to address CVE-2021-45627.

Immediate Steps to Take

Update the affected devices to the latest firmware versions
Implement network segmentation to restrict access
Monitor network traffic for suspicious activities

Long-Term Security Practices

Conduct regular security audits and assessments
Educate users on safe browsing and interaction practices
Establish strong password policies and multi-factor authentication

Patching and Updates

Regularly check for security updates and patches from NETGEAR
Apply patches promptly to mitigate the risk of exploitation