Unlike major version jumps (e.g., 7.0 to 7.2), 7.0.9 is a maintenance release. It does not introduce monumental new features. Instead, it polishes existing ones. However, if you are upgrading from an older branch (like 6.4.x), 7.0.9 unlocks the entire 7.0 feature set.
FortiOS – SSL VPN vulnerability (CVE-2022-42475) fortigate 7.0.9
One complaint against early 7.0 releases was higher baseline memory usage (approx 15-20% more than 6.4). By 7.0.9, Fortinet optimized several daemons: Unlike major version jumps (e
Real-world result: A FortiGate 60F running 7.0.9 with SD-WAN, two SSL-VPN portals, and standard web filtering uses approximately 52% of its 2GB RAM—leaving comfortable headroom. One complaint against early 7
While ZTNA was introduced in 7.0.0, versions prior to 7.0.9 had rough edges. 7.0.9 stabilized the proxy-based ZTNA access proxy. Administrators reported fewer dropped sessions on TCP forwarding and improved logging for ZTNA tags.
One benefit of 7.0.9: You can downgrade to 7.0.5 or 6.4.12 if disaster strikes, provided you took a configuration backup before upgrading. Later versions (7.2+) block downgrades to 7.0 due to incompatible certificate stores.
FortiOS 7.0.9 Release Notes