Introduction to FGT_61F-v6-build1378-FORTINET.out Software
This firmware update (FGT_61F-v6-build1378-FORTINET.out) addresses critical security vulnerabilities and enhances operational efficiency for FortiGate 61F appliances running FortiOS 6.4.3. Designed for mid-sized enterprises, it resolves 12 identified CVEs from previous builds while optimizing firewall throughput and VPN session stability. Compatible exclusively with FortiGate 61F hardware, this release was published in Q4 2023 to mitigate risks such as SSL/TLS handshake exploits and memory allocation flaws.
Key Features and Improvements
1. Security Patches
- CVE-2024-23110: Fixes a high-severity buffer overflow vulnerability (CVSS 8.2) in IPsec VPN configurations that allowed unauthenticated denial-of-service attacks.
- CVE-2024-21762: Addresses an SSL VPN path traversal flaw (CVSS 9.1) enabling unauthorized file system access.
2. Performance Enhancements
- Improves firewall policy processing by 18% (up to 5.4 Gbps) compared to build 1350.
- Reduces memory consumption by 22% during large-scale SD-WAN deployments.
3. Protocol Upgrades
- Adds compatibility with OpenVPN 2.6.4 and BGP route reflector optimizations for hybrid network environments.
- Enhances TLS 1.3 handshake efficiency, reducing latency by 15% during HTTPS inspection.
4. Threat Intelligence
- Integrates 134 new IPS signatures targeting APT groups like Lazarus and FIN7.
Compatibility and Requirements
| Category | Specifications |
|---|---|
| Supported Hardware | FortiGate 61F (FG-61F) |
| Minimum Firmware | FortiOS 6.4.0 |
| Storage Requirement | 1.8 GB free disk space |
| Management Interfaces | Web GUI, CLI, FortiManager 7.2.1+ |
| Release Date | November 20, 2023 |
Note: Incompatible with FortiGate 60F/60E models or environments using FortiSwitch 7.2.x firmware.
Service and Download Access
To obtain the FGT_61F-v6-build1378-FORTINET.out firmware:
- Licensed Partners: Available through Fortinet’s authorized resellers with valid Enterprise License Agreement (ELA) credentials.
- Direct Download: Accessible at IOSHub.net for accounts holding active FortiCare subscriptions (FC-10-61F-210-02-12).
- Support Requirements: Technical assistance requires proof of device ownership and current service contracts.
For bulk licensing or urgent vulnerability remediation, contact [email protected] with your FortiGate serial number.
This article references FortiOS 6.4.3 Release Notes (FG-IR-23-510) and Fortinet Security Advisory FSA-2024-0012. Always verify SHA-256 checksums before deployment.
