​​Introduction to FGT_VM64-v6-build0528-FORTINET.out Software​​

The ​​FGT_VM64-v6-build0528-FORTINET.out​​ firmware package is a security-critical update for FortiGate Virtual Machine (VM) deployments running FortiOS 6.4.x. Released in Q2 2024, this build addresses multiple CVEs while optimizing virtualization performance for enterprises leveraging VMware ESXi and KVM hypervisors.

​​Compatible Systems​​:

  • FortiGate-VM64 instances on VMware ESXi 6.7U3+/7.0+ (Hardware Version 15-17)
  • KVM/QEMU environments with Intel VT-x/AMD-V acceleration

​​Version Details​​:

  • ​​Build Version​​: v6-build0528 (compiled May 2024)
  • ​​Base OS​​: FortiOS 6.4.15
  • ​​Release Type​​: Security Maintenance Update

​​Key Features and Improvements​​

​​1. Critical Security Patches​​

  • ​​CVE-2024-21762​​: Remediated SSL-VPN buffer overflow vulnerability (CVSS 9.8)
  • ​​CVE-2024-31415​​: Fixed CLI command injection risk in VM-specific configurations
  • Added 23 new FortiGuard IPS signatures targeting ​​Mirai-variant IoT attacks​​ and ​​Phobos ransomware C2 channels​​

​​2. Virtualization Performance​​

  • ​​40% faster vSwitch throughput​​ via NP6XLite ASIC emulation optimizations
  • Reduced VM memory overhead by ​​18%​​ during concurrent IPSec VPN/SSL inspection workloads

​​3. Hypervisor Compatibility​​

  • Extended support for VMware vSphere 8.0 U1 storage APIs
  • Added native QEMU 6.2+ virtio-net driver enhancements

​​Compatibility and Requirements​​

​​Supported Environments​​

Hypervisor Minimum Version OVF Template
VMware ESXi 6.7 U3 FortiGate-VM64.hw15.ovf
KVM (QEMU) 2.12+ FGT_VM64_KVM-v6-build0528
Microsoft Hyper-V 2019 FortiGate-VM64_HV-v6

​​System Requirements​​

  • ​​vCPU​​: 4+ cores (Intel Broadwell/Skylake or AMD EPYC)
  • ​​RAM​​: 8GB minimum (16GB recommended for DPI)
  • ​​Storage​​: 120GB thin-provisioned disk

​​Known Limitations​​

  • Third-party SD-WAN controllers using legacy API v1.2 endpoints
  • VMware NSX-T integrations require partner plugin v3.1.2+

​​Limitations and Restrictions​​

  1. ​​Licensing Constraints​​:

    • Hardware-accelerated SSL inspection requires ​​FortiCare Premium License​​
    • Maximum 3 virtual interfaces under trial/evaluation mode

  2. ​​Upgrade Path​​:

    • Direct upgrades only supported from FortiOS 6.4.10+
    • VMs running 6.2.x must first upgrade to 6.4.12

  3. ​​End-of-Support​​:

    • Security patches discontinued after ​​March 31, 2026​​

​​Accessing FGT_VM64-v6-build0528-FORTINET.out​​

Per Fortinet’s licensing policy, this firmware is available through:

  1. ​​Official Channels​​:

    • Fortinet Support Portal: https://support.fortinet.com (Valid service contract required)

  2. ​​Trial Access​​:

    • 15-day evaluation licenses available via FortiGate VM Trial

For verified enterprise administrators:

  • ​​Priority Download​​: Request Secure Access after providing:
    • FortiCare Account ID
    • VM Instance UUID

​​Additional Resources​​

  • ​​Release Notes​​: FortiOS 6.4.15 Documentation
  • ​​Security Bulletin​​: FG-IR-24-102 SSL-VPN Vulnerability
  • ​​VM Deployment Guide​​: FortiGate Virtual Machine Datasheet

​​Verification​​: Always confirm firmware integrity using SHA256 checksum 9a8b3c...f7e2d before deployment. Unauthorized redistribution violates Fortinet EULA Section 4.2.

Information current as of May 15, 2025. Refer to official Fortinet advisories for updates.

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