Users Corrupted After Hikvision Firmware Update?

Updating a Hikvision DS-7604NI-E1/4P NVR today, the NVR uploaded firmware and updated just fine, or so I thought...

When it had rebooted, I tried to log in and it rejected my password, my first indication something was wrong:

We got on the local interface and tried to log in next, and it seemed to randomly accept or reject the password. Finally, we managed to log in. But looking at the user list, it was filled with gibberish users. Unfortunately, I don't have a screenshot of that. Essentially, they were very long strings of Unicode characters, with many simply showing as empty boxes, like ▢▢▢▢▢▢▢▢

We were finally able to factory default it and it seemed to work fine, but I ended up downgrading the firmware to be sure, for now.

Anyone have any similar experiences?

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