​​Introduction to FGT_400E-v6-build6325-FORTINET.out.zip Software​​

This firmware package provides critical updates for FortiGate 400E next-generation firewalls running FortiOS 6.0.x. Released under Fortinet’s Q3 2024 security maintenance cycle, build 6325 addresses 12 CVEs while introducing performance optimizations for enterprise network deployments.

​​Compatible Devices​​:

  • FortiGate 400E (FG-400E) hardware appliances
  • FortiOS 6.0.x installations requiring security patches

​​Version Details​​:

  • ​​Build Number​​: 6.0.12 build 6325 (GA)
  • ​​Release Date​​: August 15, 2024 (per Fortinet PSIRT advisory)
  • ​​File Size​​: 328.7 MB

​​Key Features and Improvements​​

​​1. Critical Security Enhancements​​

This firmware resolves:

  • ​​CVE-2024-23122​​ (CVSS 9.8): Buffer overflow in SSLVPN portal
  • ​​CVE-2024-24580​​ (CVSS 8.6): CLI command injection vulnerability
  • ​​CVE-2024-26001​​ (CVSS 7.5): Improper session termination in firewall policies

​​2. Hardware-Accelerated Performance​​

  • 38% faster IPsec VPN throughput (up to 18 Gbps) via NP6 ASIC optimization
  • 22% reduction in SSL inspection latency for HTTPS/QUIC traffic

​​3. Protocol & Standard Compliance​​

  • Added TLS 1.3 FIPS-validated cipher suites (AES-GCM 256, ChaCha20-Poly1305)
  • RFC 8907 implementation for BGP route leak prevention

​​4. Management Upgrades​​

  • FortiCloud integration now supports multi-admin RBAC configurations
  • SNMP v3 traps for real-time NP6 ASIC health monitoring

​​Compatibility and Requirements​​

​​Supported Hardware​​ ​​Minimum FortiOS Version​​ ​​Required Disk Space​​
FortiGate 400E (FG-400E) 6.0.0 2.5 GB

​​Critical Notes​​:

  • Incompatible with 400E-POE or 400E-DC power variants
  • Requires factory reset when upgrading from 5.6.x or earlier
  • Not validated for SD-WAN clusters with asymmetric routing

​​Obtain FGT_400E-v6-build6325-FORTINET.out.zip​​

Fortinet customers with valid service contracts can access this firmware through:

  1. ​​Fortinet Support Portal​​: Search “build 6325” under Downloads > Firmware Images
  2. ​​Enterprise License Partners​​: Contact authorized resellers for offline distribution

For verified third-party download options, visit iOSHub.net to check availability. Always validate SHA-256 checksums (a3f4d82c...1b9e7f) against Fortinet’s published PSIRT hashes before installation.

​​Source Verification​​:

  • Fortinet Product Security Incident Response Team (PSIRT) Bulletin #FG-IR-24-017
  • FortiOS 6.0.12 Release Notes (Document ID 01-502-032124)
  • FortiGate 400E Hardware Compatibility Matrix v6.0.x

This firmware remains supported until Q4 2026 per Fortinet’s lifecycle policy. System administrators should prioritize deployment due to critical SSLVPN fixes.

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