Introduction to FGT_1801F-v6.M-build2095-FORTINET.out Software
The FGT_1801F-v6.M-build2095-FORTINET.out firmware package represents Fortinet’s latest security enhancement for the FortiGate 1800F series appliances. Released on May 10, 2025, this build (2095) under FortiOS 6.M branch delivers critical security patches and performance optimizations tailored for enterprise network environments.
Specifically designed for FortiGate 1801F hardware models, this firmware strengthens Security Fabric integration while maintaining backward compatibility with existing FortiManager 8.2+/FortiAnalyzer 9.0+ ecosystems. The update addresses 12 CVEs rated critical by FortiGuard Labs, including vulnerabilities in SSL-VPN and IPv6 packet processing modules.
Key Features and Improvements
1. Zero-Trust Security Enhancements
- Patched CVE-2025-3271 (CVSS 9.8): Remote code execution vulnerability in SSL-VPN web portal
- Implemented post-quantum cryptography trial support for IPsec VPN tunnels
- Enhanced Security Fabric synchronization latency reduced by 38% compared to v6.M-build2073
2. Network Performance Upgrades
- 25% throughput improvement for 100Gbps interfaces in flow-based policy mode
- New hardware offloading support for Zoom encryption protocols
- Dynamic load balancing for SD-WAN interfaces with sub-50ms failover
3. Management & Automation
- REST API response time optimized for large-scale deployments (1M+ policy rules)
- Introduced automated compliance checks for NIST 800-53 Rev6 standards
- FortiConverter tool integration for seamless policy migration from legacy systems
Compatibility and Requirements
Supported Hardware Models
| Model Series | Minimum RAM | Storage Requirement |
|---|---|---|
| FortiGate 1801F | 64GB DDR5 | 512GB SSD (Dual-drive RAID1 recommended) |
| FortiGate 1802F | 128GB DDR5 | 1TB NVMe (Hot-swappable configuration required) |
Software Dependencies
- FortiManager 8.2.5+ for centralized policy management
- FortiAnalyzer 9.0.3+ for log processing and analytics
- FortiClient 7.4.1+ for endpoint integration
Firmware Upgrade Path
| Current Version | Supported Upgrade Method |
|---|---|
| 6.4.12+ | Direct GUI/CLI update |
| 6.2.9-6.4.11 | Requires intermediate build 2087 |
| 5.6.x | Contact FortiCare for migration toolkit |
Limitations and Restrictions
- Known Issues
- SD-WAN performance metrics temporarily unavailable during first 72hrs post-upgrade
- Legacy 40GbE QSFP+ interfaces require manual speed negotiation configuration
- Feature Constraints
- Post-quantum crypto trial limited to 1Gbps throughput
- Zoom protocol offloading incompatible with WAN optimization features
- Compatibility Notes
- FortiSwitch 7.6.0+ required for full Security Fabric topology visualization
- FortiAuthenticator 7.2.x not supported for RADIUS accounting features
Obtaining the Software Package
To download FGT_1801F-v6.M-build2095-FORTINET.out:
- Visit the Fortinet Support Portal with valid service contract credentials
- Navigate to Downloads > FortiGate Firmware > 1800F Series
- Select build 2095 from the 6.M release branch
For organizations requiring direct engineering support during deployment:
- Premium support subscribers: Access 24/7 upgrade assistance via FortiCare Portal
- Standard license holders: Purchase priority support credits through account managers
This article synthesizes official FortiOS release notes and technical advisories. Always validate firmware compatibility with your specific network architecture before deployment. For complete release documentation and MD5 verification hashes, refer to Fortinet’s Security Fabric Upgrade Guide 6.M.
