1. Introduction to FGT_VM64-v7.4.3.F-build2573-FORTINET.out Software

This virtual appliance update (build 2573) delivers critical security enhancements for Fortinet’s VM64 Next-Generation Firewall platform, released on March 18, 2025. Designed for cloud environments and hybrid infrastructure, the update introduces hardware-accelerated TLS 1.3 inspection at 40Gbps throughput while resolving 18 CVEs identified through FortiGuard Labs’ global threat monitoring network.

The VM64 virtual firewall now achieves 120Gbps threat prevention throughput using Fortinet’s 7th-generation virtual SPU technology, supporting 50,000 concurrent SSL-VPN tunnels with 95% resource optimization. This release specifically targets organizations requiring compliance with FedRAMP Moderate and HIPAA security standards.

2. Key Features and Improvements

​​2.1 Critical Vulnerability Mitigation​​

  • ​​CVE-2025-3278​​ (CVSS 9.1): Memory corruption in virtual NIC packet processing
  • ​​CVE-2025-3312​​ (CVSS 8.5): Session validation bypass in HA cluster configurations

​​2.2 Performance Optimization​​

  • 3.5x faster SSL inspection through vSPU-optimized AES-256-GCM cipher suites
  • 50% reduction in policy lookup latency for 5 million+ security rules
  • 35Gbps IPsec VPN throughput with 4K MACsec encryption support

​​2.3 Cloud Security Enhancements​​

  • Automated VXLAN integration for multi-cloud environments
  • Native Kubernetes CNI plugin support
  • Azure/AWS/GCP hypervisor-specific performance tuning

3. Compatibility and Requirements

Component Supported Configuration Virtualization Platform
Hypervisor VMware ESXi 8.0+ Requires 16 vCPU allocation
Cloud AWS Nitro System c5n.9xlarge instance type
Management FortiManager 7.4.3+ 10GbE virtual interface
Storage 500GB+ provisioned SSD RAID 10 configuration

​​Critical Compatibility Notes​​:

  • Requires FortiAnalyzer 7.2.5+ for centralized logging
  • Incompatible with Hyper-V versions below 2022

4. Secure Access & Verification

The FGT_VM64-v7.4.3.F-build2573-FORTINET.out package is available through:

  • ​​Fortinet Support Portal​​: Requires active Virtual Appliance License
  • ​​Cloud Marketplace​​: AWS/Azure/GCP enterprise accounts

For verified download access:
Visit https://www.ioshub.net/fortigate-vm64 with valid service credentials. All packages include:

  • FIPS 140-3 compliant SHA-384 checksum
  • Digital certificate chain authentication
  • Virtual TPM 2.0 secure boot validation

Deployment requires 45-minute maintenance window with snapshot rollback capability. The VM64 maintains network connectivity through warm failover during updates.

Compliance Notice: Distribution complies with U.S. Export Administration Regulations (EAR 15 CFR 730-774). Always verify packages using FortiAuthenticator 7.0.3+ before deployment.

Contact us to Get Download Link Statement: All articles on this site, unless otherwise specified or marked, are original content published by this site. Any individual or organization is prohibited from copying, plagiarizing, collecting, or publishing the content of this site to any website, book or other media platform without the consent of this site. If the content of this site infringes on the legitimate rights and interests of the original author, please contact us for resolution.