Walchem Intuition 9 firmware versions prior to v4.21 are vulnerable to improper authentication. Login credentials are stored in a format that could allow an attacker to use them as-is to login and gain access to the device.
Walchem recommends upgrading all Intuition 9 firmware versions to v4.21 or later. The upgrade can be downloaded from the Walchem website https://www.walchem.com/ .