incorrect password

Hello, this is the first time I post something on this forum. For some reason, I can login with the password. But when I trying to change the password, it shows the message "the old password was incorrect". The problem occurred in both the stock Asuswrt firmware and Asuswrt-Merlin firmware. I...

Gear: AC88U Merlin 384.17 Main router Running separate 2.4Ghz and 5Ghz networks AC68U Merlin 384.17 AiMesh router I have been running the AC88U as my main router and an AC66P as an access point. I recently purchased an AC68U so that could take advantage of AiMesh and then retire the AC66U. I...