Canada's Cyber Centre advises that WatchGuard Agent versions before 1.25.13.0000 are affected by vulnerabilities and urges administrators to apply updates.
The Canadian Centre for Cyber Security relayed WatchGuard's advisory (AV26-847) noting that WatchGuard Agent prior to 1.25.13.0000 is affected by vulnerabilities. Users and administrators are encouraged to review the WatchGuard Endpoint Security Prime advisories and apply the available updates.
Canada's Cyber Centre warns WatchGuard Dimension and Fireware OS vulnerabilities affect multiple versions and urges administrators to apply available updates.
The Canadian Centre for Cyber Security issued advisory AV26-865 (August 31, 2026) noting that WatchGuard products are affected by vulnerabilities as of August 27, 2026. Affected products include Dimension prior to 2.3.1 and Fireware OS prior to 12.12.2, 12.5.20, and 2026.2.2. Users and administrators are encouraged to review the advisory link and apply updates as they become available.
ZDI disclosed a CVSS 8.8 unauthenticated stack-based buffer overflow in WatchGuard FireWare OS epm connect enabling network-adjacent remote code execution.
ZDI published advisory ZDI-26-632 for a stack-based buffer overflow in the epm connect component of WatchGuard FireWare OS. Network-adjacent attackers can execute arbitrary code without authentication. ZDI assigned CVSS 8.8 and the issue is tracked as CVE-2026-13086.