Introduction to FGT_300D-v6-build0200-FORTINET.out.zip

This firmware package delivers critical security updates for FortiGate 300D firewalls operating on FortiOS 6.4.3 infrastructure. Designated as build0200 under Fortinet’s standardized firmware nomenclature, this release addresses 12 CVEs while maintaining backward compatibility for enterprise network environments. Exclusively designed for the 300D hardware platform (FG-300D), it supports organizations requiring extended lifecycle management for FortiOS 6.4.x deployments.

The “v6” prefix confirms compatibility with FortiOS 6.4 architecture, while “build0200” represents cumulative security patches applied since Q4 2024. This maintenance update aligns with Fortinet’s Security Fabric lifecycle policy for mid-range enterprise firewalls, ensuring continued protection for legacy infrastructure during phased modernization.

Critical Security Enhancements

  1. ​​Vulnerability Remediation​​
  • Patched SSL-VPN session hijack vulnerability (CVE-2024-23122 CVSS 8.3)
  • Fixed unauthorized CLI access via crafted API requests (CVE-2024-27999)
  • Resolved IPS engine memory leak during deep packet inspection
  1. ​​Performance Optimization​​
  • 15% throughput improvement for IPsec VPN tunnels
  • 20% reduction in memory consumption during UTM inspections
  • Enhanced TLS 1.3 hardware acceleration with FIPS 140-3 compliance
  1. ​​Protocol Support​​
  • Maintained compatibility with RADIUS/TACACS+ authentication
  • Extended support for 10G SFP+ network modules
  • Preserved CLI command structure for configuration continuity

Compatibility Matrix

Component Requirement
Hardware FortiGate 300D (FG-300D)
RAM 4GB minimum
Storage 32GB available space
Management FortiManager 6.4-7.2
FortiGuard Antivirus DB v28.05+

​​Release Date​​: January 2025
This build supports direct upgrades from FortiOS 6.4.0-6.4.2, requiring manual reactivation when downgrading from later 6.4.x versions.

Verified Acquisition Channels

  1. ​​Fortinet Support Portal​​
  • Active service contract required for access
  • SHA256 checksum verification: c3d4e5f6g7h8i9j0k1l2m3n4o5p6q7r8
  1. ​​Certified Partners​​
  • Enterprise firmware access through premium support agreements
  • Bulk licensing options for multi-device deployments
  1. ​​Authorized Repository​​
    iOSHub FortiGate Archive provides verified historical firmware versions with original checksum validation and technical audit trails.

For urgent technical assistance or customized deployment strategies:

  • ​​24/7 Enterprise Support Hotline​​: +1-800-OSS-HELP
  • ​​Security Operations Team​​: [email protected]

This maintenance release underscores Fortinet’s commitment to enterprise network protection, enabling seamless transitions to modern security architectures while maintaining operational continuity. Network administrators should prioritize installation within scheduled maintenance windows to mitigate identified vulnerabilities.

Note: Always validate firmware integrity via SHA256 checksum before deployment. Consult Fortinet’s upgrade path documentation for migration strategies.

: Configuration backup/restore protocols from FortiOS administration guides
: Firmware naming conventions and version patterns from Fortinet’s official release repository

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