LibreNMS: 1.63-41-g2533064
DB Schema: 2020_04_13_150500_add_last_error_fields_to_bgp_peers (164)
PHP: 7.3.17
MySQL: 5.5.65-MariaDB
RRDTool: 1.4.8
SNMP: NET-SNMP 5.7.2
Discovery: Untitled - LibreNMS
Poller: Untitled - LibreNMS
OS Name: WeOS
MIB: Support for MRD-455 (HW rev 2) 4G Cellular Router ᐈ Westermo
Download the firmware, the MIB file will be there inside of a ZIP File.
Image: 
Please keep in mind I photoshopped this image myself from another logo by Westermo, I do not have official rights to use this image.
snmpbulk: Re: Untitled - LibreNMS