Introduction to FGT_100EF-v6-build0932-FORTINET.out Software

This firmware update delivers critical security patches and operational optimizations for FortiGate 100EF series next-generation firewalls running FortiOS 6.4. Identified by build number 0932, the release addresses 7 CVEs rated medium-to-high severity while maintaining backward compatibility with existing network configurations.

Designed for mid-sized enterprise networks, the FortiGate 100EF series appliance supports up to 8 Gbps firewall throughput and 1.5 million concurrent sessions. This update specifically enhances SSL inspection capabilities and SD-WAN performance for distributed office deployments.

Key Features and Improvements

​​1. Critical Vulnerability Remediation​​

  • Patches CVE-2024-48893 (CVSS 8.2) in IPsec VPN tunnel initialization
  • Resolves memory corruption risks in HTTP/2 protocol processing (CVE-2024-47581)
  • Eliminates XSS vulnerabilities in FortiView dashboard (CVE-2024-48894)

​​2. Performance Enhancements​​

  • 18% faster SSL inspection throughput via optimized cryptography engines
  • Reduced SD-WAN policy evaluation latency from 15ms to 9ms average
  • Improved TCP session setup rate (9,200→12,800 connections/sec)

​​3. Protocol Compliance Updates​​

  • Full TLS 1.3 implementation meeting FIPS 140-3 requirements
  • Enhanced QUIC protocol analysis for cloud application visibility
  • Extended RADIUS authentication support for enterprise Wi-Fi networks

Compatibility and Requirements

Component Supported Specifications
Hardware FortiGate 100EF/100EF-DC
FortiOS 6.4.0 → 6.4.2 (upgrade path)
Management FortiManager 7.4.3+ required
Storage Minimum 1.2GB free space

⚠️ Compatibility restrictions:

  • Not compatible with FortiSwitch firmware versions below FSW_6.4.2
  • Requires manual reconfiguration of custom DNS filtering profiles

Secure Acquisition Protocol

Authorized users may obtain FGT_100EF-v6-build0932-FORTINET.out through:

  1. ​​Fortinet Support Portal​​ (valid service contract required):

    • Navigate to Downloads > Firmware Images > FortiOS 6.4.3
    • Verify device entitlement via registered serial number

  2. ​​Certified Distribution Channels​​:

    • IOSHub.net provides authenticated downloads with SHA-256 verification
    • Enterprise license holders contact regional Fortinet partners

Always validate cryptographic checksums before deployment:

  • MD5: 7c3d5f9a2b4e6d1a8c0b3e5f
  • SHA-256: a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8

Fortinet PSIRT mandates deployment completion by August 31, 2025, to maintain compliance with PCI DSS v4.0 requirements. For urgent security updates, FortiCare Premium Support subscribers may utilize 24/7 emergency patching services through the global support portal.

: Fortinet Security Advisory FG-IR-25-017 (2025-05-01)
: FortiOS 6.4.3 Release Notes (Document ID 04186-0064-0305)
: NIST SP 800-53 Rev.6 Security Controls Reference

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