The primary unit pushes the firmware image to the secondary unit. The secondary unit upgrades first and reboots.
The vulnerability affects multiple FortiOS versions across the 7.6 (up to 7.6.5), 7.4 (up to 7.4.10), 7.2 (up to 7.2.12), and 7.0 (up to 7.0.18) branches. latest fortigate firmware
If you operate FortiGates in a High Availability (HA) pair (Active-Passive), the firmware upgrade process utilizes a rolling upgrade mechanism to achieve near-zero downtime. The firmware is uploaded to the primary unit. The primary unit pushes the firmware image to
: Currently recommended for newer hardware models (E, F, and G series). 7.4 (up to 7.4.10)