With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ceImageTagDate
Cisco Enhanced Image Tag Date
1.3.6.1.4.1.9.9.249.1.3.1.1.3
Date and time this tag was committed.
Back to CISCO-ENHANCED-IMAGE-MIB MIB page.
IPHost Network monitor allows you to monitor ceImageTagDate on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.