CVE-2018-6401 Explained : Impact and Mitigation

Devices of the Meross MSS110 model, with firmware versions earlier than 1.1.24, have a TELNET listener that allows access to an undisclosed administrator account without any password.

Understanding CVE-2018-6401

Meross MSS110 devices before 1.1.24 contain a TELNET listener providing access for an undocumented admin account with a blank password.

What is CVE-2018-6401?

CVE-2018-6401 is a vulnerability found in Meross MSS110 devices that allows unauthorized access to an administrator account without the need for a password.

The Impact of CVE-2018-6401

This vulnerability could lead to unauthorized access to sensitive information, control of the device, or potential malicious activities by attackers.

Technical Details of CVE-2018-6401

Vulnerability Description

Devices of the Meross MSS110 model with firmware versions earlier than 1.1.24 have a TELNET listener allowing access to an undisclosed administrator account without a password.

Affected Systems and Versions

Product: Meross MSS110
Vendor: Meross
Versions Affected: Firmware versions earlier than 1.1.24

Exploitation Mechanism

Attackers can exploit this vulnerability by accessing the TELNET listener on affected devices, gaining unauthorized entry to the administrator account.

Mitigation and Prevention

Immediate Steps to Take

Update the firmware of Meross MSS110 devices to version 1.1.24 or later to mitigate the vulnerability.
Disable TELNET services on the device if not required for operation.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Implement strong password policies and enable multi-factor authentication where possible.

Patching and Updates

Meross MSS110 users should regularly check for firmware updates from the vendor and apply them promptly to ensure security.