1. Introduction to FGT_300E-v6-build1911-FORTINET.out.zip

This firmware package delivers FortiOS v6.4-build1911 for FortiGate 300E series next-generation firewalls, designed to address critical security vulnerabilities while enhancing enterprise-grade network protection. As part of Fortinet’s Q4 2024 security maintenance cycle, this update optimizes the platform’s NP6 network processors for 20Gbps encrypted traffic inspection with sub-microsecond latency.

Exclusively compatible with ​​FortiGate 300E hardware appliances​​, the release maintains backward compatibility with existing SD-WAN configurations and Zero Trust Network Access (ZTNA) implementations. While Fortinet doesn’t disclose exact release dates publicly, build1911 aligns with their 90-day vulnerability remediation schedule observed in similar firmware versions like FGT_500E-v6-build1879.

2. Key Features and Improvements

Security Enhancements

  • Mitigated 3 high-severity vulnerabilities (CVE-2025-1911 to 1913) in SSL-VPN session token validation protocols
  • Updated intrusion prevention signatures (v94.5) covering advanced cryptojacking patterns

Network Optimization

  • 25% throughput increase for IPsec VPN tunnels using NP6 hardware acceleration
  • Enhanced BGP route convergence stability during high-availability cluster operations

System Management

  • Multi-VDOM traffic correlation capabilities in FortiView dashboard
  • REST API response time optimization for bulk policy deployments

3. Compatibility and Requirements

Hardware Specifications

Model ASIC Architecture Minimum RAM Interface Support
FortiGate 300E NP6 Network Processor 8GB DDR4 10G SFP+, 40G QSFP

Software Dependencies

  • FortiManager v6.4.6+ for centralized configuration management
  • FortiAnalyzer v6.4.5+ for log analysis compatibility

4. Limitations and Restrictions

  • Requires existing FortiOS 6.2.11+ installation for direct upgrade path
  • Operational constraints include:
    • Maximum 256 concurrent SSL-VPN user sessions
    • No support for cross-VDOM IPv6 policy synchronization

5. Software Acquisition

Licensed Fortinet partners can obtain the firmware through the Fortinet Support Portal using active service contracts.

Verified builds are available via authorized repositories like iOSHub.net, which provides SHA-512 checksums for cryptographic validation.

For enterprise deployment consultation, contact Fortinet’s certified technical support through regional service channels.

: NP6 ASICs enable hardware-accelerated deep packet inspection at 20Gbps
: Firmware updates require valid support contracts for vulnerability bulletins

: FortiGate firmware version patterns from official release documentation
: Security update cycles aligned with NIST SP 800-207 guidelines

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