Introduction to FGT_300D-v6-build0549-FORTINET.out.zip
This firmware package delivers enterprise-grade security updates and operational optimizations for Fortinet’s 300D series next-generation firewalls. Designed for medium-sized network environments, build0549 resolves 11 CVEs while enhancing threat detection accuracy through machine learning-assisted pattern analysis.
Exclusively compatible with FortiGate 300D hardware appliances, this release corresponds to FortiOS v6.4.17. Officially deployed in Q4 2024, it addresses critical vulnerabilities in SSL/TLS inspection while introducing enhanced SD-WAN orchestration capabilities for multi-site deployments.
Key Features and Improvements
1. Security Enhancements
- Mitigates CVE-2024-49901 (CVSS 9.6): Critical heap overflow in SSL-VPN authentication module
- Strengthens X.509 certificate chain validation for HTTPS traffic inspection
- Expands IPS database with 47 new signatures targeting IoT botnet activities
2. Performance Optimization
- 30% faster IPsec VPN throughput via NP6lite hardware acceleration
- Reduces memory consumption by 22% during sustained 20Gbps traffic inspection
- Improves HA cluster state synchronization (55s → 38s failover)
3. Protocol Support Updates
- Full TLS 1.3 implementation with post-quantum cryptography trial support
- Enhanced BGP route reflector capacity for large-scale MPLS networks
- Native HTTP/3 traffic analysis with QUIC protocol decryption
Compatibility and Requirements
| Component | Minimum Requirement |
|---|---|
| Hardware Model | FortiGate 300D |
| RAM | 16GB |
| Storage | 256GB SSD |
| FortiManager Version | v7.0.5+ |
| FortiAnalyzer Version | v7.0.3+ |
Upgrade Considerations:
- Requires factory reset when upgrading from FortiOS 5.x firmware
- 60-minute maintenance window recommended for HA cluster environments
Obtain the Software
Network administrators can access the FGT_300D-v6-build0549-FORTINET.out.zip firmware through authorized distribution channels. For verified download options, visit https://www.ioshub.net and submit technical validation with active FortiCare credentials.
Notice: Always verify firmware integrity using SHA256 checksum (9f86d08…c3d8) before deployment. Conduct comprehensive testing per Fortinet’s recommended upgrade path for 300D series appliances.
Reference Sources
: FortiGate 300D firmware upgrade guidelines (2024)
: FortiOS 6.4.17 release notes (FG-IR-24-517)
