Fortigate 7.0.9 [2021]

| Bug ID | Description | Impact | | :--- | :--- | :--- | | | Kernel panic on NP6 acceleration when handling fragmented IPv6 packets. | Caused HA failover loops. | | 0834299 | Memory leak in scanunitd (AntiVirus scanning daemon) leading to conserve mode. | Required weekly reboots. | | 0840122 | IPS engine would crash when processing malformed SMB traffic. | Security gaps in file scanning. | | 0829554 | DHCP relay stopped working after interface flapping. | Critical for branch offices. | | 0835012 | IPsec tunnel status showed "up" but traffic would not pass (blackholing). | Silent network outages. |

: Addresses specific flaws in the command-line interface (CLI) and administrative graphical user interface (GUI) to prevent privilege escalation by authenticated users. fortigate 7.0.9

While 7.0.9 is stable, you should not stay on it indefinitely due to security vulnerabilities discovered after September 2022 . | Bug ID | Description | Impact |

FortiOS 7.0.9: Balancing Stability and Modern Security The release of FortiOS 7.0.9 represents a critical juncture in Fortinet’s software lifecycle. As part of the mature 7.0 "Long-Term Support" (LTS) branch, this version focuses less on flashy new features and more on the rigorous stabilization required for enterprise-grade edge security. For network administrators, 7.0.9 is a strategic choice—a version designed to provide a reliable harbor against the vulnerabilities that often plague newer, more experimental releases. Stability as a Feature | Required weekly reboots

In FortiGate version 7.0.9, you don't "create" features in the sense of writing code, but you can or visibility-toggle built-in features that are hidden by default. Enabling Hidden Features (Feature Visibility)