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The problem has been identified on 0809.01.2017.
Possible Effects
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The security hole is fixed starting from the 3.0.14 16 and in all firmwares starting from 16.01. The 3.0.14 Firmware is planned to be released latest by 13.01.2017. An 05. Please note an update to the 16.X-Beta Versions requires a Factory Reset.
NOTE: please make sure to make a backup of your configuration before upgrading!