Possible security problem with Cisco ubr900 series routers

Problem: RW access to the MIB, and eventually access to the router config, using ANY yes, ANY community name. The following routers were tested: ubr920, ubr924, ubr925 image file for the ubr925 is as follows: ubr925-k1sv4y556i-mz.121-3a.XL1 snmp-server commands used in each router config, not jus...