CVE-2020-27872 : Vulnerability Insights and Analysis

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR R7450 1.2.0.62_1.0.1 routers. Authentication is not required to exploit this vulnerability. The flaw exists within the mini_httpd service, allowing attackers to execute code in the context of root.

Understanding CVE-2020-27872

This CVE-2020-27872 vulnerability affects NETGEAR R7450 routers, enabling attackers to bypass authentication and execute code.

What is CVE-2020-27872?

Network-adjacent attackers can bypass authentication on NETGEAR R7450 1.2.0.62_1.0.1 routers
Exploitation does not require authentication
Vulnerability lies in the mini_httpd service on TCP port 80
Improper state tracking in password recovery process
Allows execution of code as root

The Impact of CVE-2020-27872

CVSS Base Score: 8.8 (High)
Attack Vector: Adjacent Network
Confidentiality, Integrity, and Availability Impact: High
Privileges Required: None

Technical Details of CVE-2020-27872

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows unauthorized users to bypass authentication on NETGEAR R7450 routers, potentially leading to code execution as root.

Affected Systems and Versions

Affected Product: NETGEAR R7450
Affected Version: 1.2.0.62_1.0.1

Exploitation Mechanism

Attackers exploit the flaw in the mini_httpd service to bypass authentication and execute code as root.

Mitigation and Prevention

Protect your systems from CVE-2020-27872 with the following steps:

Immediate Steps to Take

Disable remote management if not required
Implement strong, unique passwords
Monitor network traffic for suspicious activities

Long-Term Security Practices

Regularly update firmware and security patches
Conduct security audits and penetration testing
Educate users on cybersecurity best practices

Patching and Updates

Apply patches provided by NETGEAR to address the vulnerability