Firebox Management in WatchGuard Cloud Release Notes

These release notes are for the Firebox management in WatchGuard Cloud. For a full description of WatchGuard Cloud features and functionality for Firebox management, go to Firebox Feature Comparison — Locally-Managed and Cloud-Managed in the WatchGuard Cloud Help.

For more information about new features, download the What's New in WatchGuard Cloud PowerPoint. For information about the benefits of cloud management, go to the Knowledge Base article: Features and Benefits of Firebox Management in WatchGuard Cloud.

Release Information Date
Latest WatchGuard Cloud Update 29 October 2026
Release Notes Revision Date 29 October 2026

Release notes include customer-reported issues that were resolved in this release. Routine internal maintenance, localization updates, and other low-impact changes are not individually documented.

Latest Release

Release Date: 29 October 2026

New Features

WireGuard BOVPN in WatchGuard Cloud

New Fireware v2026.4 firmware is available in WatchGuard Cloud. With this release, you can configure a hub-and-spoke WireGuard BOVPN for cloud-managed Fireboxes in WatchGuard Cloud. For more information, go to WireGuard BOVPN in WatchGuard Cloud in Help Center.

IPv6 Support for Mobile VPN with IKEv2 in WatchGuard Cloud

New Fireware v2026.4 firmware is available in WatchGuard Cloud. With this release, you can configure Mobile VPN with IKEv2 to use IPv6 for tunnel and related network settings on cloud-managed Fireboxes. For more information, go to IPv6 Support for Mobile VPN with IKEv2 in Help Center.

Custom Dynamic Aliases

New Fireware v2026.4 firmware is available in WatchGuard Cloud. This release adds support for custom dynamic aliases that periodically retrieve IP address and domain entries from an externally hosted feed file. You can use a custom dynamic alias as a source or destination in a firewall policy and in the Blocked Sites list. For more information, go to Configure Custom Dynamic Aliases in Help Center.

Let's Encrypt Certificates in WatchGuard Cloud

New Fireware v2026.4 firmware is available in WatchGuard Cloud. With this release, you can request Let's Encrypt certificates for cloud-managed and locally-managed Fireboxes in WatchGuard Cloud as an alternative to the standard CSR workflow. The Firebox communicates directly with Let's Encrypt to obtain and automatically renew certificates before expiration. For more information, go to Create a Certificate Signing Request (CSR) in WatchGuard Cloud in Help Center.

Default RDP Policy Includes UDP 3389

New Fireware v2026.4 firmware is available in WatchGuard Cloud. For new configurations, the default RDP traffic type now includes TCP port 3389 and UDP port 3389. Fireware v2026.4 adds UDP port 3389. For more information, go to Default RDP Traffic Type Includes UDP 3389 in Help Center.

Link Monitoring Enhancements

For cloud-managed Fireboxes, you can now configure up to three link monitoring targets per network (Ping, TCP, or DNS) and customize the probe settings. These enhancements provide more flexibility in how the Firebox detects connectivity and performance issues for Software-Defined WAN (SD-WAN) failover and path selection. [FCCM-5206, FCCM-8366, FCCM-13967]

For more information, go to the Configure Link Monitoring for a Cloud-Managed Firebox in Help Center.

Enhancements

  • Firebox Management API v1.32.0 adds new endpoints that enable you to retrieve available time zone values, retrieve the device ID for a Firebox by serial number, and add an allocated Firebox to WatchGuard Cloud as a cloud-managed device, including the optional staged request parameter:
    • GET /{v1}/configuration/{accountid}/devices/timezones
    • GET /{v1}/info/{accountid}/devices/sn/{object_id}
    • POST /{v1}/configuration/{accountid}/devices/add
    For more information, go to Firebox Add Device Management API in the WatchGuard API Documentation. [FCCM-15064]

Resolved Issues

  • You can now edit the host URL, refresh interval, and authentication settings of an existing IP Address/Domain Feed in a custom dynamic alias. [FCCM-14970]
  • Mobile VPN with IKEv2 client profile downloads no longer fail with a 400 error when Phase 1 settings use Diffie-Hellman groups higher than Group 14. [FCCM-5098]
  • Mobile VPN with IKEv2 client profile downloads no longer fail with a 400 error when IKEv2 Shared Settings use Diffie-Hellman Group 19 (DH-19). [FCCM-14982]
  • Device certificates added through the Firebox Management API now appear in WatchGuard Cloud when the device ID includes the FB- prefix. [FCCM-14968]
  • Minor updates and bug fixes.

Previous Releases