Upgrading to firmware version 2.8.1 is a critical security step for Mimosa C5c devices, as it resolves multiple vulnerabilities (CVE-2020-25205 and CVE-2020-25206) found in versions 2.8.0.3 and below. How to Download and Upgrade
scp mimosa-...bin admin@<device-ip>:/tmp/
ssh admin@<device-ip>
# verify file present: ls -l /tmp/
# run firmware install command (varies)
Mimosa C5c Firmware 2.8.1: Features, Security, and Critical Download Steps mimosa c5c firmware 281 download work
Warning: Installing firmware can risk bricking the device if interrupted or the wrong file is used. Only proceed if you accept that risk and you have physical access to the unit. Upgrading to firmware version 2
To download the Mimosa C5c firmware version 2.8.1, follow these steps: Enable SSH on the device (System → Services → SSH)