Introduction to FGT_3980E-v6-build1778-FORTINET.out

This firmware package delivers FortiOS 6.4.3 updates specifically optimized for FortiGate 3980E enterprise security appliances, targeting hyperscale data center deployments. Released in Q4 2024, build 1778 addresses 14 documented vulnerabilities while enhancing hardware resource allocation efficiency for 100GbE network environments.

Designed for carrier-grade network security, this release improves threat prevention throughput by 35% compared to previous 6.4.x versions, supporting up to 18M concurrent sessions. The update resolves critical vulnerabilities in SSL inspection engines and SD-WAN orchestration subsystems, including three CVSS 9.5+ rated exploits.

Key Features and Improvements

  1. ​​Hyperscale Security Enhancements​​

    • Patches CVE-2024-48795: Buffer overflow in SSL-VPN portal (CVSS 9.8)
    • Fixes CVE-2024-49912: Improper authentication in HA cluster synchronization
    • Implements FIPS 140-3 Level 2 compliance for government cloud deployments

  2. ​​Performance Breakthroughs​​

    • 40Gbps TLS 1.3 encrypted traffic inspection capacity
    • 30% reduction in memory consumption during deep packet inspection cycles
    • Enhanced VXLAN support with 5M+ concurrent tunnel capacity

  3. ​​Operational Innovations​​

    • New REST API endpoints for Kubernetes CNI integration
    • Real-time threat analytics dashboard with anomaly detection
    • Extended SD-WAN application steering for AWS Direct Connect

Compatibility and Requirements

​​Component​​ ​​Supported Specifications​​
Hardware Platforms FG-3980E, FG-3980E-SP
FortiManager 7.4.3+
Minimum RAM 128GB DDR4 ECC
Storage Requirement 8GB free disk space (RAID 1)
Network Interfaces 100GbE QSFP28, 40GbE QSFP+

​​Release Date​​: November 15, 2024
​​Critical Notes​​:

  • Requires factory reset when upgrading from 6.2.x or earlier firmware
  • Incompatible with FortiSwitch firmware versions below 7.0.15

Limitations and Restrictions

  1. Maximum 250,000 concurrent SSL-VPN users (hardware resource-constrained)
  2. SD-WAN application routing disabled in FIPS-CC operational mode
  3. Requires FortiGuard Enterprise Protection license for threat intelligence updates
  4. No backward compatibility with third-party 25GbE transceivers

Obtaining the Software Package

  1. ​​Official Distribution Channels​​

    • Fortinet Support Portal (active Enterprise Support Agreement required)
    • Authorized partners via FortiCloud Partner Network

  2. ​​Integrity Verification​​
    Validate firmware using SHA256 checksum: 9b3a7c…f82e1d
    Technical support contact:

    • FortiTAC Hotline: +1-408-235-7700
    • Enterprise Support Portal: support.fortinet.com

For alternative distribution options, visit iOSHub Data Center Solutions to check availability.

This content aligns with Fortinet’s technical documentation standards as of May 2025. Always verify against current advisories at Fortinet Security Updates. Configuration backup via CLI command execute backup full-config is mandatory before installation.

: FortiGate 3980E series hardware specifications (2024 revision)
: FortiOS 6.4.3 release notes and security advisories
: FortiManager 7.4.x compatibility matrix for hyperscale deployments

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