@TP-Link @D.verkaik just received an update from TP Link support via e-mail: "After analyzing the log, we have found the reason for the warning of DNS hijacking risk. It is not caused by the security...

@TP-Link done

@D.verkaik breaking news: the 14.5 had major security flaws, they have rolled out 14.5.1 iOS update. So the culprit is known.

@D.verkaik Deco M4?

@Scubje If you're on iPhone's latest iOS 14.5, this might be the problem. Check this thread https://community.tp-link.com/en/home/forum/topic/262572

@TP-Link thanks for the reply. Answers to your questions: *check another network via Wi-Fi assistant: yes, the DNS hijacking status is present on another wifi network, too *the self-built up LAN DNS...