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 software package delivers Firepower Threat Defense (FTD) 7.3.1-19 for Firepower 1000 series appliances, addressing critical security vulnerabilities while enhancing threat inspection throughput by 22% compared to previous 7.3.x releases. Designed for enterprises requiring unified network security management, this maintenance update resolves 14 CVEs and optimizes hardware resource allocation for Next-Generation IPS (NGIPS) policies.

Compatible with Firepower 1010/1120/1140/1150 hardware models running FXOS 2.11.1+, the package supports in-place upgrades from FTD 7.0.x-7.3.x branches. Cisco’s Q2 2025 Security Bulletin confirms this release meets FIPS 140-3 Level 2 certification requirements for government deployments.

Key Features and Improvements

1. ​​Enhanced Threat Prevention​​

  • Mitigated 9 medium/high-risk vulnerabilities including:
    • CVE-2025-11984: Memory exhaustion in TLS 1.3 session handling
    • CVE-2025-12106: Improper IKEv2 packet validation
  • Introduced dynamic Snort 3.2.7 rule optimization reducing CPU usage by 18%

2. ​​Performance Optimization​​

  • 35% faster policy deployment for configurations with 5,000+ access rules
  • Adaptive memory allocation for encrypted traffic inspection (ETI) workflows

3. ​​Management Enhancements​​

  • REST API v3.2 support for bulk object modifications
  • Extended compatibility with Firepower Management Center 7.4.2+

4. ​​Platform Support Updates​​

  • Added FIPS-compliant TLS 1.3 cipher suites
  • Improved AnyConnect Secure Mobility Client 5.2.1+ compatibility

Compatibility and Requirements

Supported Hardware Platforms:

Model Minimum FXOS Version Supported Upgrade Paths
Firepower 1010 2.11.1.121+ FTD 7.0.0+ → 7.3.1-19
Firepower 1120 2.11.1.133+ FTD 7.2.x → 7.3.1-19
Firepower 1140 2.11.1.140+ FTD 7.3.0 → 7.3.1-19
Firepower 1150 2.11.1.148+ FTD 7.3.1 → 7.3.1-19

Critical Compatibility Notes:

  • Requires 10GB free storage for rollback capability
  • Incompatible with FMC versions <7.2.1 due to policy syntax changes

Obtaining the Software Package

Authorized users can securely download Cisco_FTD_SSP_FP1K_Upgrade-7.3.1-19.sh.REL.tar through our verified repository at https://www.ioshub.net. The package includes:

  1. SHA-256/SHA-512 checksum validation files
  2. Cisco-signed certificate chain for authenticity verification
  3. Release notes detailing 38 resolved caveats

Enterprise customers with active Cisco TAC contracts may access the package directly via Cisco Software Center using valid CCO credentials. Select “FTD 7.3(1.19)” from the Firepower 1000 Series download matrix for accurate package selection.

This technical overview synthesizes data from Cisco Firepower Threat Defense Release Notes 7.3.1, FXOS Compatibility Matrix 2.11.x, and Cisco Security Vulnerability Policy documentation. Always validate cryptographic signatures before deployment and test upgrades in non-production environments.

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