CVE-2018-11681 Explained : Impact and Mitigation

CVE-2018-11681 was published on June 2, 2018, and involves the exploitation of default and unchangeable support credentials in IoT devices. The presence of these credentials allows attackers to gain full super user control over affected devices.

Understanding CVE-2018-11681

This CVE entry highlights a security issue related to the RadioRA 2 Lutron integration protocol, specifically affecting products from Revision M to Revision Y.

What is CVE-2018-11681?

The vulnerability allows attackers to exploit default support credentials to achieve full super user control over IoT devices through a TELNET session.

The Impact of CVE-2018-11681

The exploitation of this vulnerability can lead to unauthorized access and control over IoT devices, compromising their security and potentially enabling malicious activities.

Technical Details of CVE-2018-11681

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

Attackers can leverage default and unchangeable support credentials to acquire full super user control over IoT devices using the RadioRA 2 Lutron integration protocol.

Affected Systems and Versions

Products utilizing the RadioRA 2 Lutron integration protocol from Revision M to Revision Y are vulnerable.

Exploitation Mechanism

Attackers can exploit the presence of default support credentials (user:nwk, password:nwk2) through a TELNET session to gain unauthorized control over IoT devices.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2018-11681.

Immediate Steps to Take

Change default credentials on affected devices to unique, strong passwords.
Disable TELNET services if not required for device operation.
Regularly monitor and audit device access logs for suspicious activities.

Long-Term Security Practices

Implement multi-factor authentication for device access.
Keep devices and firmware updated with the latest security patches.

Patching and Updates

Apply vendor-recommended patches and updates to mitigate the vulnerability and enhance device security.