CVE-2018-21118 : Security Advisory and Response

Devices running on versions prior to 2.3.2.32 of NETGEAR XR500 are susceptible to an authentication bypass vulnerability.

Understanding CVE-2018-21118

NETGEAR XR500 devices before version 2.3.2.32 are affected by an authentication bypass vulnerability.

What is CVE-2018-21118?

CVE-2018-21118 is an authentication bypass vulnerability that impacts devices running on NETGEAR XR500 versions prior to 2.3.2.32.

The Impact of CVE-2018-21118

CVSS Base Score: 8.8 (High)
Attack Vector: Adjacent Network
Confidentiality, Integrity, and Availability Impact: High
Privileges Required: None
This vulnerability allows attackers to bypass authentication on affected devices, potentially leading to unauthorized access and compromise of sensitive information.

Technical Details of CVE-2018-21118

NETGEAR XR500 devices are affected by an authentication bypass vulnerability.

Vulnerability Description

The vulnerability allows unauthorized users to bypass authentication on devices running on versions prior to 2.3.2.32 of NETGEAR XR500.

Affected Systems and Versions

Affected Systems: NETGEAR XR500
Affected Versions: Prior to 2.3.2.32

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the authentication bypass to gain unauthorized access to the affected devices.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-21118.

Immediate Steps to Take

Update NETGEAR XR500 devices to version 2.3.2.32 or later to patch the authentication bypass vulnerability.
Monitor network traffic for any suspicious activities that may indicate unauthorized access.

Long-Term Security Practices

Regularly update firmware and security patches on all network devices to prevent known vulnerabilities.
Implement strong password policies and multi-factor authentication to enhance device security.

Patching and Updates

Stay informed about security advisories from NETGEAR and apply patches promptly to address any new vulnerabilities.