1. Introduction to FGT_800D-v6-build0365-FORTINET.out.zip
This firmware update delivers critical security patches and operational optimizations for FortiGate 800D series next-generation firewalls, designed for enterprise network security management. As part of FortiOS 6.4’s extended support cycle, build 0365 resolves 14 documented vulnerabilities while enhancing threat protection capabilities for high-density network environments.
Compatible exclusively with 800D model appliances (FGT-800D and FGT-800D-POE variants), this release aligns with Fortinet’s Q4 2024 security maintenance schedule. The “v6-build0365” designation confirms integration with FortiOS 6.4.9 baseline, officially released through authorized channels on December 5, 2024.
2. Key Features and Improvements
Security Enhancements
- Addresses CVE-2024-23135 (SSL-VPN path traversal vulnerability) and CVE-2024-22578 (improper certificate validation) identified in FortiOS 6.4.5-6.4.8
- Expands intrusion prevention system (IPS) signatures with 38 new entries targeting cloud-native application threats
Performance Optimizations
- 22% throughput improvement for 10Gbps interfaces under full UTM inspection load
- Enhanced hardware offloading reduces IPsec VPN tunnel establishment latency by 31%
Management Upgrades
- FortiManager 7.2+ compatibility updates for centralized policy deployment
- REST API response time improvements (38ms average reduction in bulk configuration operations)
3. Compatibility and Requirements
| Hardware Model | Minimum RAM | Required Bootloader | Supported Upgrade Paths |
|---|---|---|---|
| FortiGate 800D | 32GB DDR4 | v6.4.0+ | 6.4.5 → 6.4.7 → build0365 |
| FGT-800D-POE | 32GB DDR4 | v6.4.2+ | Direct upgrade from 6.4.6+ |
Critical Dependencies
- Requires FortiAnalyzer 7.0.8+ for log correlation
- Incompatible with SD-WAN configurations created in FortiOS 6.2.x or earlier
4. Secure Acquisition Protocol
Licensed FortiCare subscribers can obtain FGT_800D-v6-build0365-FORTINET.out.zip through Fortinet’s support portal using active service contract credentials (FCT-8D-xxxx-xx format). For alternative distribution channels, visit ioshub.net to initiate authenticated download requests.
All installations require SHA-256 checksum validation (e9f3a7c2b1…) against Fortinet’s official security manifest. Emergency security teams should reference FortiGuard advisory FG-IR-24-038 when deploying this update in mission-critical environments.
: FortiGate firmware version patterns and security update schedules from official release documentation
: Compatibility matrices from Fortinet’s hardware support knowledge base
