Improved stability for active-passive clusters and link aggregation (LACP) handling. VPN Stability:
Some users reported slower response times in the web-based management interface compared to 6.4.x. fortigate 7.0.9
(Build 0444) represents a critical stabilizing milestone in the Fortinet lifecycle, transitioning the 7.0 branch into its "Mature" phase. While it introduced significant hardware acceleration and logging refinements, it is also known for specific upgrade challenges that shaped its reputation among network administrators. The "Maturity" Milestone fortigate 7.0.9
Users have reported that upgrading from 6.4.x or 7.0.x to 7.0.9 can break SIP registration The Issue: fortigate 7.0.9
While 7.0.9 was not a "critical CVE patch" release (like 7.0.7 which patched CVE-2022-40684), it did include backported fixes for CVE-2022-42475 (heap-based buffer overflow).