With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccmHistoryRunningLastChanged
Cisco Configuration Management History Running Last Changed
1.3.6.1.4.1.9.9.43.1.1.1
The value of sysUpTime when the running configuration was last changed. If the value of ccmHistoryRunningLastChanged is greater than ccmHistoryRunningLastSaved, the configuration has been changed but not saved.
Back to CISCO-CONFIG-MAN-MIB MIB page.
IPHost Network monitor allows you to monitor ccmHistoryRunningLastChanged 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.