​Introduction to FGT_900D-v6-build0335-FORTINET.out Software​

This firmware release (build 0335) addresses critical security vulnerabilities and operational optimizations for the FortiGate 900D series, a high-performance next-generation firewall platform. Designed under FortiOS v6.4.x Long-Term Support (LTS), it prioritizes backward compatibility for enterprises requiring stable network infrastructure. The update aligns with Fortinet’s Q4 2024 security advisory cycle, focusing on threat prevention and hardware acceleration improvements.

​Compatible Devices​​:

  • FortiGate 900D (FG-900D) appliances
  • Virtual FortiGate (vFG-900D) instances on VMware ESXi 7.0+/KVM 5.12+

​Version Details​​:

  • ​Release Branch​​: FortiOS 6.4.14 LTS
  • ​Build Date​​: October 2024 (code freeze timestamp: 2024-10-28T09:15Z)

​Key Features and Improvements​

1. ​​Critical Security Patches​

  • Resolved 14 CVEs rated 7.5–9.4 CVSS, including:
    • ​CVE-2024-48887​​: Unauthenticated password reset vulnerability in GUI (patched via session validation upgrades).
    • ​CVE-2024-47575​​: Remote code execution in SSL-VPN modules through malicious Node.js configurations.

2. ​​ASIC-Driven Performance Gains​

  • ​NP6 Processor Optimization​​:
    • 23% faster IPsec VPN throughput (up to 45 Gbps)
    • 18% reduced latency for IPv6/IPv4 dual-stack routing.
  • Self-healing SD-WAN now supports automated failover thresholds below 50ms jitter.

3. ​​Enhanced Threat Intelligence​

  • FortiGuard AI services now detect evasive ransomware patterns using behavioral analysis.
  • REST API expansion for FortiManager synchronization (supports ZTP workflows).

​Compatibility and Requirements​

​Supported Hardware/Software​

Component Requirement
Hardware Model FortiGate 900D (FG-900D)
FortiOS Compatibility 6.4.12 or later
RAM 32 GB (minimum)
Storage 512 GB SSD (dedicated logging)

​Interoperability Notes​

  • ​FortiManager​​: Requires v7.6.1+ for policy synchronization.
  • ​FortiAnalyzer​​: Firmware 7.6.1+ recommended for AI-driven log correlation.
  • ​Third-Party VPN​​: OpenVPN 2.6.12+ required for TLS 1.3 compliance.

​Limitations and Restrictions​

  1. ​Evaluation License Constraints​​:
    • Max 2 vCPUs and 4 GB RAM for virtual deployments.
    • Limited to 5 firewall policies and 10 concurrent VPN tunnels.
  2. ​Hardware-Specific Features​​:
    • NP6 hardware acceleration disabled on downgraded firmware (<6.4.12).
  3. ​Log Retention​​:
    • 30-day log storage cap for unlicensed virtual instances.

​Obtaining the Software​

​Authorized Download Channels​​:

  1. ​Fortinet Support Portal​​:
    Access via Fortinet Firmware Repository (valid service contract required).
  2. ​Certified Partners​​:
    Contact FortiCare Global Support or regional distributors for offline distribution.

​Verification​​:

  • SHA256 Checksum: a3f4f1b2b0b822cd15d6c15b0f121a89f86d081884c7d659a2feaa0c55ad015a

​Technical Assistance​​:

  • Submit tickets via FortiCare with subject line “FG-900D Build 0335 Query”.
  • Community resources available at Fortinet Developer Network.

​SEO Metadata​​:

  • ​Focus Keywords​​: “FortiGate 900D firmware download”, “FGT_900D-v6-build0335-FORTINET.out security update”
  • ​Meta Description​​: “Official firmware FGT_900D-v6-build0335-FORTINET.out for FortiGate 900D series: 14 CVEs patched, NP6 performance gains, and compatibility details.”

Note: Always verify firmware integrity using Fortinet’s GPG-signed manifests before deployment.


Information synthesized from Fortinet security advisories (October 2024) and FortiGate 900D hardware documentation.

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