The product team is pleased to announce the maintenance firmware update for Sophos APX firmware version 11.0.021 with important security, hardening enhancements, and reliability fixes.
NAF-244- The APX320 experiences intermittent behavior where the ethernet Rx gets into a stuck condition. This causes the APX320 to go into an inactive or offline state. A fix has been taken in the driver for the APX320 to prevent this issue.
NAF-210- The APX Access Point goes offline after a kernel OOPs.
NAF-178- The APX was not adding a VLAN tag when receiving fragmented packets.
Please visit for a list of known issues: https://docs.sophos.com/support/kil/index.html.