A firmware update is definitely required! There is a vulnerability to Port 7547 which allows the device to be hijacked for DDoS attacks - I can port scan my modem from my mobile or a web utility and it shows that this port is already OPEN! (of course I have not opened it). See this article: https://securityintelligence.com/mirai-evolving-new-attack-reveals-use-of-port-7547/ I was told by TPG tech that I would have to chase this issue up with Archer - which I will do but I am registering my concern here so others will know about the problem. Phil.
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