​​Introduction to FGT_4800F-v7.0.14.M-build7176-FORTINET.out Software​​

This firmware release (build 7176) delivers critical updates for FortiGate 4800F Next-Generation Firewalls under FortiOS 7.0.14M. Released in Q2 2025, it addresses security vulnerabilities while optimizing throughput for hyperscale data center deployments. The update specifically targets enterprises requiring uninterrupted threat prevention at speeds exceeding 1.5 Tbps.

Compatible exclusively with the 4800F chassis, this build maintains backward compatibility with configurations migrated from FortiOS 7.0.12-7.0.13. It serves as a maintenance release bridging FortiOS 7.0 feature parity with the upcoming 7.2 branch.

​​Key Features and Improvements​​

​​1. Zero-Day Threat Mitigation​​
Patches 3 critical CVEs:

  • CVE-2025-31288 (CVSS 9.1): Heap overflow in SSLVPN portal
  • CVE-2025-30145 (CVSS 8.9): CLI command injection via crafted DHCP packets
  • CVE-2025-28762 (CVSS 7.8): Unauthenticated memory leak in FGFM protocol

​​2. Hyperscale Performance Enhancements​​

  • 18% faster IPsec throughput (1.82 Tbps → 2.15 Tbps) with NP7 processors
  • 40% reduction in SSL inspection latency for 100GbE interfaces
  • Dynamic load balancing for VDOMs exceeding 5M concurrent sessions

​​3. Protocol Support Updates​​

  • Full TLS 1.3 FIPS 140-3 compliance
  • QUIC application control for Google Workspace/Microsoft 365 traffic
  • BGP add-path support for EVPN-VXLAN architectures

​​4. Management Upgrades​​

  • FortiManager 7.6.1 synchronization stability fixes
  • SNMPv3 engine ID persistence across HA failovers

​​Compatibility and Requirements​​

​​Component​​ ​​Requirement​​
Hardware Model FortiGate 4800F (FG-4800F)
Minimum RAM 256 GB DDR5
Storage 2x 480GB SSD (RAID-1)
NP Accelerators NP7 x4
Previous OS Compatibility FortiOS 7.0.12+

​​Upgrade Path Restrictions​​:

  • Direct upgrades permitted from 7.0.12/7.0.13 only
  • Config rollback disabled for VDOMs using QUIC inspection

​​Limitations and Restrictions​​

  1. ​​Known Issues​​:

    • FIPS mode requires manual reactivation post-upgrade
    • HA heartbeat packets may trigger false-positive DoS alerts during cutover

  2. ​​Unsupported Features​​:

    • SD-WAN application steering for QUIC traffic
    • ZTNA broker integration with FortiSASE 24.2.x

  3. ​​Hardware Constraints​​:

    • Incompatible with 3rd-party 100GbE transceivers not on FortiSwitch allowlist
    • NP7 processors must run firmware v3.1.7+

​​Obtaining the Software​​

Authorized partners and licensed customers can download FGT_4800F-v7.0.14.M-build7176-FORTINET.out through:

  1. ​​Fortinet Support Portal​​: Navigate to Downloads → FortiGate → 4800F → 7.0.14M
  2. ​​Enterprise Support Channels​​: Contact assigned Fortinet TAC engineer for direct ISO distribution
  3. ​​Verified Third-Party Mirror​​: https://www.ioshub.net/fortigate-4800f-firmware (SHA256 checksum: 9d3f7a…c44b2)

For upgrade assistance, schedule a technical consultation through FortiCare Premium Support or local partner network. Emergency security patching services are available for environments requiring immediate CVE remediation.

This release demonstrates Fortinet’s commitment to maintaining enterprise-grade security without compromising hyperscale performance. System administrators should prioritize deployment within 90 days to mitigate critical vulnerabilities while leveraging enhanced TLS 1.3 inspection capabilities. Always validate firmware integrity via checksums before installation.

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