AX7501-B0 intermittent uncommanded reboot

Firmware version V5.15(ABPC.0)C0

The last few days my router has rebooted itself without any changes or intervention on my behalf. I had previously enabled the remote syslog, but there is no hint in those logs as to why the reboots are occurring.

Can someone please suggest a diagnostic plan so I can attempt to fix the underlying issue?

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