The version is still incorrect in the description.
Expecting
Cisco IOS XE Software, Version 03.16.04b.S - Extended Support Release
Cisco IOS Software, ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 15.)
NetOps Portal shows:
Cisco IOS Software, ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 15.5(3)S4b, RELEASE SOFTWARE (fc1) Technical
Release : 3.7
Component : IM Discovery
We are reporting that we see in the MIB for sysDecr 1.3.6.1.2.1.1.1. This is working as designed the description field is populated using the MIB value of sysDecr .
If you believe the sysDecr in the MIB is incorrect you will need to contact your router team to have them correct it.