Posted by breda on Mar 26, 2016; 8:13pm
URL: https://itus.accessinnov.com/fw-upgrade-Permission-denied-tp503p529.html

Should I try to update to version 7? or stay with V 5 for bridge mode  use?

It was Recommend rollback to V5 of the update script to fix your issue. Minor bug in V6:

fw_upgrade.fw_upgrade

http://itus.accessinnov.com/Hotfix-160301-FINAL-td157i20.html

Thanks