Introduction to FGT_1500D-v6-build1828-FORTINET.out.zip Software
The FGT_1500D-v6-build1828-FORTINET.out.zip file contains a critical firmware update for Fortinet’s enterprise-grade FortiGate 1500D next-generation firewall appliances. Released in Q4 2023 under FortiOS 6.4.5 (build 1828), this update addresses 12 high-severity vulnerabilities while enhancing threat detection accuracy by 23% compared to previous builds.
Designed for high-traffic networks handling 80Gbps+ throughput, the firmware complies with NIST SP 800-193 firmware integrity standards and FIPS 140-3 Level 2 requirements for government/military deployments. It specifically targets FortiGate 1500D hardware models running FortiOS 6.2.10 or later, with mandatory deployment recommended within 30 days to mitigate critical RCE risks.
Key Features and Improvements
1. Critical Vulnerability Mitigation
- CVE-2022-40684 (CVSS 9.8): Patches authentication bypass vulnerability enabling unauthorized admin access
- CVE-2023-27997 (CVSS 8.6): Eliminates heap overflow in SSL-VPN portal authentication
- CVE-2023-25610 (CVSS 7.9): Resolves improper certificate validation in IPSec VPN tunnels
2. Operational Enhancements
- 28% faster TLS 1.3 handshake processing for 2,000+ concurrent VPN sessions
- 35% reduction in memory consumption during sustained DDoS attacks (validated in 72-hour stress tests)
3. Compliance & Protocol Support
- Extended QUIC protocol visibility via FortiGuard Application Control v6.4.5
- Added post-quantum cryptography support (CRYSTALS-Kyber) for VPN configurations
Compatibility and Requirements
Supported Hardware Matrix
| Model | Minimum Firmware | Storage Requirement | Release Date |
|---|---|---|---|
| FortiGate 1500D | v6.0.0 | 8 GB free space | 2023-11-15 |
System Requirements
- FortiOS Compatibility: 6.2.10, 6.4.5+, and later 6.4.x branch versions
- Management: FortiManager 7.2.4+ required for centralized deployments
- Exclusions: Incompatible with SD-WAN configurations using BGP route reflectors (requires FortiOS 7.0+)
Limitations and Restrictions
-
Functional Constraints
- Maximum 180,000 concurrent IPSec VPN sessions (hardware limitation)
- No TLS 1.4 protocol support until FortiOS 7.4 updates
-
Operational Restrictions
- Requires firmware downgrade protection disabled for legacy integrations
- Not compatible with third-party SDN controllers except FortiManager 7.2+
Obtaining the Software
Authorized users can download FGT_1500D-v6-build1828-FORTINET.out.zip exclusively through IOSHub.net, a verified enterprise software distributor. Access requires valid Fortinet support contract credentials.
For urgent deployment assistance:
- 24/7 Priority Support: Submit tickets via IOSHub Enterprise Portal
- Bulk Licensing: Email [email protected] for volume discounts (50+ devices)
Security Validation
Always verify SHA-256 checksum against Fortinet’s official database before installation:
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
IOSHub operates independently and is not affiliated with Fortinet Inc. Unauthorized redistribution prohibited.
SEO Keywords: FortiGate 1500D firmware download, FortiOS 6.4.5 security update, FGT_1500D-v6-build1828, CVE-2022-40684 patch, enterprise firewall firmware.
References
: FortiGate 1500D Hardware Datasheet (2023)
: Fortinet Firmware Download Guide (2023)
: CVE-2022-40684 Security Advisory (2022)
: Fortinet PSIRT Advisory FGA-2023-15 (Nov 2023)
: NIST SP 800-193 Firmware Integrity Guidelines
: FortiOS 6.4.5 Release Notes
