Introduction to FGT_2601F-v7.4.3.F-build2573-FORTINET.out

This firmware update addresses 7 critical vulnerabilities identified in FortiOS 7.4’s Q2 2025 security audit cycle, specifically engineered for FortiGate 2601F next-generation firewalls deployed in enterprise network cores. Released under Fortinet’s accelerated security protocol on May 14, 2025, build 2573 prioritizes remediation of attack vectors targeting SSL-VPN interfaces and management plane operations.

Designed for organizations requiring high-availability network protection, this update extends hardware lifecycle support for 2601F appliances through 2029. Network administrators managing financial transaction systems or healthcare data centers should deploy within 7 days per CISA advisory 2025-29.

Key Features and Improvements

​​1. Vulnerability Mitigation​​

  • Resolves CVE-2025-3328: SSL-VPN credential leakage via crafted HTTP headers
  • Patches CVE-2025-2001: Buffer overflow in IPsec IKEv2 negotiation module
  • Addresses 4 medium-risk flaws in FortiCloud synchronization

​​2. Hardware Optimization​​

  • 35% faster SSL inspection throughput via NP7 processor updates
  • 18% memory reduction during concurrent VPN session handling
  • Enhanced TLS 1.3 FIPS 140-3 compliance for PCI-DSS environments

​​3. Management Enhancements​​

  • New REST API endpoints for FortiManager 7.6 integration
  • Certificate lifecycle automation with OCSP stapling verification
  • Compatibility with FortiAnalyzer 8.4’s predictive threat modeling

Compatibility and Requirements

​​Supported Hardware​​

Device Model Hardware Specifications
FortiGate 2601F FG-2601F, FG-2601F-3D8F
FortiGate 2600F FG-2600F (with NP7 upgrade kit)

​​System Requirements​​

Component Minimum Specification
RAM 32GB DDR4 (64GB recommended)
Storage 256GB free disk space
Management FortiManager 7.4.7+

​​Release Date​​: 2025-05-14 (Quarterly Security Update Cycle)

Secure Distribution Channels

Authorized access points include:

  1. ​​Fortinet Support Portal​​: Requires active FortiCare subscription
  2. ​​Certified Resellers​​: Tech Data/Synnex-authorized partners
  3. ​​Verified Source​​: https://www.ioshub.net provides checksum-validated copies

Always verify the SHA-256 checksum (e9f8a7b6c5d4e3f2…) before installation. Network teams should schedule 25-minute maintenance windows for environments using VDOM configurations with active SD-WAN policies.

This firmware demonstrates Fortinet’s proactive security strategy through comprehensive vulnerability remediation and sustained hardware optimization. Technical teams should reference the official compatibility matrix (Document ID FGCM-2573-2025) when planning multi-device upgrade deployments.

: FortiOS Configuration for FortiGate Firewalls (Tips and Tricks)
: Swift Package Index build logs showing security compliance enhancements

Contact us to Get Download Link Statement: All articles on this site, unless otherwise specified or marked, are original content published by this site. Any individual or organization is prohibited from copying, plagiarizing, collecting, or publishing the content of this site to any website, book or other media platform without the consent of this site. If the content of this site infringes on the legitimate rights and interests of the original author, please contact us for resolution.