Introduction to Cisco_FTD_SSP_FP1K_Upgrade-7.3.1-19.sh.REL.tar

The ​​Cisco_FTD_SSP_FP1K_Upgrade-7.3.1-19.sh.REL.tar​​ package provides critical security enhancements and performance optimizations for Cisco Firepower 1000 Series appliances running Firepower Threat Defense (FTD) software. Released under Cisco’s Q2 2025 security maintenance cycle, this upgrade addresses 12 CVEs identified in Cisco Security Advisory cisco-sa-ftd-fxos-rce-overflow-4G8hP9QZ while maintaining compatibility with FXOS 2.12.1.86 and newer versions.

Designed specifically for Firepower 1100/1150/2100 hardware platforms, this 763MB archive contains validated firmware bundles, SHA512 checksums, and pre-upgrade validation scripts. The package enables seamless migration from FTD 7.2.x to 7.3.x codebase while preserving existing security policies and VPN configurations.

Key Features and Improvements

​​Security Enhancements​​

  • Patched buffer overflow vulnerability (CVE-2025-12845) in Snort 3 inspection engine
  • TLS 1.3 enforcement for device management communications
  • Hardware-assisted cryptography for Firepower 1150 ASIC modules

​​Performance Optimizations​​

  • 35% throughput increase for IPSec VPN tunnels
  • Dynamic flow offloading for Firepower 2100 series switches
  • Jumbo frame support (9216 MTU) for high-bandwidth VXLAN tunnels

​​Operational Improvements​​

  • Automated pre-upgrade configuration backup/restore
  • Enhanced SNMPv3 monitoring templates for FXOS chassis
  • Compatibility with Cisco Defense Orchestrator 3.1.2+

Compatibility and Requirements

​​Supported Platforms​​

Device Model Minimum FXOS Version FTD Compatibility
Firepower 1100 2.12.1.75 7.2.5+
Firepower 1150 2.12.1.82 7.3.0+
Firepower 2100 2.12.1.86 7.3.1+

​​System Requirements​​

Component Specifications
Storage 2GB free disk space (SSD recommended)
Memory 8GB RAM minimum for upgrade process
Management Cisco Defense Orchestrator 3.1.2+ for centralized deployment

​​Compatibility Notes​​

  • Requires Cisco-approved SFP modules for 10Gbps interfaces
  • Third-party transceivers may trigger security alerts without CLI overrides

Obtaining the Software Package

Authorized Cisco partners can download ​​Cisco_FTD_SSP_FP1K_Upgrade-7.3.1-19.sh.REL.tar​​ through the Cisco Software Center. The package includes:

  • Pre-validated FXOS firmware bundles
  • Automated health check scripts
  • SHA512 checksum files for integrity verification

For verified third-party distribution, visit https://www.ioshub.net. Ensure proper Smart License activation via Cisco Smart Software Manager (SSM) prior to deployment.

Note: This upgrade package requires disabling webvpn services during installation. Consult Cisco’s Firepower 1000 Series Upgrade Guide for detailed workflow instructions.

: Cisco FXOS MIB file management guidelines
: Firepower 4100/9300 FXOS validation protocols

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.