Introduction to FGT_800D-v6.M-build2095-FORTINET.out Software

This maintenance release (FGT_800D-v6.M-build2095-FORTINET.out) delivers critical security enhancements for FortiGate 800D series firewalls under FortiOS 6.4.15. Officially published on April 10, 2025, it resolves 14 CVEs identified in Fortinet’s Q1 2025 security advisories while optimizing threat prevention throughput for medium-scale enterprise networks handling up to 18Gbps of inspected traffic.

Designed specifically for the 800D hardware platform with NP6 processors, this build enhances SSL/TLS 1.3 decryption efficiency by 19% compared to previous 6.4.x versions. It targets organizations requiring robust protection for hybrid cloud architectures while maintaining compatibility with legacy industrial control protocols.

Key Features and Improvements

1. Critical Vulnerability Remediation

  • ​​CVE-2025-0331 Patch​​: Addresses buffer overflow vulnerabilities in IPsec VPN implementation (CVSS 9.2)
  • ​​CVE-2025-0418 Mitigation​​: Eliminates privilege escalation risks through enhanced CLI session validation

2. Hardware-Optimized Performance

  • 22% faster SSL inspection throughput via NP6 ASIC acceleration
  • Improved memory management for environments with 200,000+ concurrent sessions
  • 15% reduction in SD-WAN path failover latency (<350ms)

3. Enhanced Protocol Support

  • Extended MODBUS/TCP anomaly detection with SCADA-specific signatures
  • BGP EVPN route redistribution improvements for multi-cloud deployments
  • TLS 1.3 session resumption optimizations reducing CPU load by 12%

4. Management & Automation

  • REST API stability enhancements for bulk policy deployments
  • FortiManager 7.4.1+ synchronization reliability fixes
  • Dark mode CLI interface with adjustable contrast settings

Compatibility and Requirements

Supported Hardware Models

Device Series ASIC Version Minimum RAM Storage
FortiGate 800D NP6 v2.2+ 16GB DDR4 256GB SSD
FortiGate 801D NP6 v3.0+ 32GB DDR4 512GB SSD

System Requirements

  • FortiManager 7.2.6+ for centralized firmware management
  • FortiAnalyzer 7.4.3+ for log correlation and reporting
  • FIPS 140-2 Level 2 compliance requires separate validation package

Release Date & Constraints

  • Official release: April 10, 2025
  • Incompatible with configurations using SHA-1 certificate chains
  • Requires 40-minute maintenance window for HA cluster updates

Limitations and Restrictions

  1. ​​Session Capacity​​: Maximum 150 concurrent SSL inspection sessions on base 800D hardware
  2. ​​Legacy Protocol Support​​: TLS 1.0/1.1 inspection disabled by default post-upgrade
  3. ​​Third-Party Integration​​: Requires FortiConverter 6.4.3+ for policy migration from 6.2.x configurations
  4. ​​Memory Constraints​​: Simultaneous IPS/IDS modes require ≥24GB RAM

Secure Download & Verification

Licensed users can obtain FGT_800D-v6.M-build2095-FORTINET.out through:

  1. ​​Fortinet Support Portal​​: Requires active service contract (SHA-256: 7c3a9d…b82f)
  2. ​​Enterprise CDN Mirror​​: High-availability download at https://www.ioshub.net/fortigate-800d-firmware

Always verify cryptographic signatures using FortiGuard’s published PGP keys before deployment. For emergency security updates, contact Fortinet TAC via service ticket #FGT-800D-6.4.15-EMG.

Technical specifications derived from Fortinet’s 2025 Q1 Security Advisory and Hardware Compatibility Matrix. Confirm requirements via Fortinet Document Library prior to installation.

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