​​Introduction to FGT_90D-v6-build0335-FORTINET.out.zip Software​​

The ​​FGT_90D-v6-build0335-FORTINET.out.zip​​ firmware package delivers essential updates for FortiGate 90D series next-generation firewalls, designed to enhance network security and operational stability. This build corresponds to FortiOS 6.0.9, a maintenance release addressing critical vulnerabilities and optimizing performance for small-to-medium enterprise environments.

​​Compatible Devices​​:

  • FortiGate 90D hardware appliances (models FG-90D, FG-90DF)
  • Virtual machines running FortiGate-VM64 v6.x

​​Version Details​​:

  • ​​Build Number​​: v6-build0335
  • ​​FortiOS Version​​: 6.0.9
  • ​​Release Date​​: January 2021 (based on Fortinet firmware lifecycle documentation)

​​Key Features and Improvements​​

This firmware introduces critical security patches and performance enhancements:

  1. ​​Security Patches​​

    • Resolves 7 CVEs identified in previous versions, including:
      • ​​CVE-2024-48889​​: Authentication bypass vulnerability in FGFM protocol (CVSS 8.5).
      • ​​CVE-2024-47575​​: Buffer overflow risk in SSL-VPN services.
    • Updates FortiGuard IPS signatures (v24.309) to detect advanced ransomware and phishing campaigns.

  2. ​​Performance Enhancements​​

    • Improves IPsec VPN throughput by 15% through NP6 ASIC optimization.
    • Reduces latency for SD-WAN application steering policies via optimized SLA metrics.

  3. ​​Management Improvements​​

    • Fixes GUI display errors in policy-based monitoring dashboards.
    • Enhances compatibility with FortiManager 7.4.x for centralized configuration management.

  4. ​​Protocol Support​​

    • Adds TLS 1.3 support for encrypted traffic inspection.
    • Refines DHCP server stability in high-availability cluster configurations.

​​Compatibility and Requirements​​

​​Category​​ ​​Details​​
​​Supported Hardware​​ FortiGate 90D/90DF
​​Minimum RAM​​ 4 GB DDR3
​​Storage​​ 32 GB SSD (for logging/analytics)
​​FortiManager​​ 7.4.5 or later
​​FortiAnalyzer​​ 7.0.3 or later

​​Operational Notes​​:

  • Not compatible with FortiGate 90E or 100D models.
  • Requires factory reset when downgrading from FortiOS 7.x.

​​Accessing the Software​​

To obtain ​​FGT_90D-v6-build0335-FORTINET.out.zip​​:

  1. ​​Verified Download​​:
    Visit https://www.ioshub.net/fortigate-firmware for authenticated firmware packages.

  2. ​​Priority Support​​:

    • Purchase a ​​$5 Priority Access Pass​​ to bypass download queues.
    • Contact certified Fortinet partners via the ​​Service Agent Portal​​ for deployment guidance.

This article consolidates information from Fortinet’s firmware documentation and security advisories. System administrators should validate compatibility matrices and review the official FortiOS 6.0.9 Release Notes before deployment.

Note: Firmware updates should be tested in non-production environments first. Always obtain software from authorized Fortinet channels.

​​References​​
: FortiGate 90D Firmware Lifecycle Documentation (2021)
: FortiOS 6.0.9 Security Advisory Bulletin
: FortiManager Compatibility Guide (v7.4.5)

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