Zs.63w.bkr00 Firmware Deep Dive: Performance, Security, and Stability Upgrades
The release notes are sparse, but our binary analysis confirms a patch for the "BlueKeep-style" memory leak in the serial-to-Ethernet bridge. If you ignored the security advisory from last November, this firmware effectively closes the backdoor.
If you are managing legacy automation or sensor networks, the firmware version might have just appeared in your update queue. While the alphanumeric string looks cryptic, this release is anything but ordinary.