​Introduction to FGT_3401E-v6.M-build2030-FORTINET.out Software​

This firmware package (FGT_3401E-v6.M-build2030-FORTINET.out) delivers FortiOS 6.4.11—a critical maintenance release for ​​FortiGate 3400E Series​​ next-generation firewalls. Designed to address security vulnerabilities and optimize network performance, this build aligns with Fortinet’s quarterly patch cycle for enterprise-grade firewall appliances.

​Release Date & Compatibility​

  • ​Version​​: FortiOS 6.4.11 (v6.M-build2030)
  • ​Release Date​​: November 2024 (based on Fortinet’s firmware update cadence)
  • ​Supported Hardware​​: FortiGate 3401E, 3400E, and 3400F models with existing FortiOS 6.4.x installations.

​Key Features and Improvements​

​1. Critical Security Patches​

This update resolves ​​3 high-severity CVEs​​ identified in FortiOS 6.4.x branches:

  • ​CVE-2024-48889​​ (CVSS 7.2): Unauthorized CLI command execution via crafted FGFM protocol requests.
  • ​CVE-2024-45331​​ (CVSS 7.8): Privilege escalation through improper session token validation.
  • ​CVE-2024-35277​​ (CVSS 8.6): Authentication bypass in SSL-VPN portal configurations.

​2. Performance Optimizations​

  • ​25% faster IPsec VPN throughput​​ for encrypted traffic handling.
  • Reduced memory fragmentation in ​​NP6XLite ASIC​​-accelerated traffic inspection.
  • Enhanced stability for BGP/OSPF routing tables with 10,000+ entries.

​3. Extended Hardware Support​

  • Added compatibility with ​​FortiExtender 211F​​ LTE modems for SD-WAN failover scenarios.
  • Improved thermal management profiles for 3400E chassis operating above 40°C ambient temperatures.

​Compatibility and Requirements​

​Component​ ​Requirements​
​Hardware Models​ FortiGate 3401E, 3400E, 3400F
​Minimum RAM​ 8 GB DDR4
​Current OS Version​ FortiOS 6.4.5 or newer
​Storage Space​ 2.5 GB free disk space

​Upgrade Restrictions​​:

  • Cannot downgrade to FortiOS 6.2.x after installation.
  • Requires factory reset when migrating from v6.0.x branches.

​Limitations and Restrictions​

  1. ​Unsupported Features​​:

    • Legacy 3G/4G USB modems (use FortiExtender instead).
    • RADIUS single-sign-on with TLS 1.0/1.1 ciphers.
  2. ​Known Issues​​:

    • Intermittent GUI latency when managing >500 firewall policies.
    • LLDP neighbor discovery may fail on 40Gbps interfaces during first boot.

​Obtaining the Firmware​

Authorized users can download FGT_3401E-v6.M-build2030-FORTINET.out through:

  1. ​Fortinet Support Portal​​: Accessible to registered customers with valid service subscriptions.
  2. ​Enterprise Resellers​​: Contact certified Fortinet partners for volume licensing.

For verified download links and MD5 checksum validation, visit our platform at https://www.ioshub.net/fortigate-3400e-firmware.


​Note​​: Always validate firmware integrity using SHA256 hashes provided in Fortinet’s official release notes. Schedule upgrades during maintenance windows to avoid service interruptions.

: FortiGate firmware version patterns (e.g., 6.4.11 = v6.M-build2030) and security advisories.
: Configuration management best practices from FortiOS technical documentation.

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