CVE-2017-18720 : What You Need to Know

Some NETGEAR devices have a vulnerability that allows for authentication bypass in specific models. This CVE affects the D6200, R6700v2, R6800, and R6900v2 models.

Understanding CVE-2017-18720

This CVE identifies an authentication bypass vulnerability in certain NETGEAR router models.

What is CVE-2017-18720?

The CVE-2017-18720 vulnerability allows unauthorized users to bypass authentication on affected NETGEAR devices, potentially leading to unauthorized access to the devices.

The Impact of CVE-2017-18720

The vulnerability has a high impact, with a CVSS base score of 8.8. It can result in high confidentiality, integrity, and availability impacts on the affected devices.

Technical Details of CVE-2017-18720

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability allows for authentication bypass on NETGEAR routers, specifically the D6200, R6700v2, R6800, and R6900v2 models.

Affected Systems and Versions

NETGEAR D6200 before version 1.1.00.24
NETGEAR R6700v2 before version 1.1.0.42
NETGEAR R6800 before version 1.1.0.42
NETGEAR R6900v2 before version 1.1.0.42

Exploitation Mechanism

The vulnerability can be exploited by attackers in the adjacent network without requiring any privileges.

Mitigation and Prevention

Protecting against CVE-2017-18720 is crucial for maintaining the security of NETGEAR devices.

Immediate Steps to Take

Update affected devices to versions 1.1.00.24 (D6200) or 1.1.0.42 (R6700v2, R6800, R6900v2)
Monitor network traffic for any suspicious activity

Long-Term Security Practices

Regularly update firmware and security patches on NETGEAR devices
Implement strong password policies and enable multi-factor authentication where possible

Patching and Updates

NETGEAR has released patches to address the authentication bypass vulnerability. Ensure timely installation of these patches to secure the affected devices.