Introduction to Cisco_FTD_SSP_FP1K_Upgrade-7.3.1-19.sh.REL.tar Software
This upgrade package provides Firepower Threat Defense (FTD) 7.3.1-19 for Cisco Firepower 1000 Series appliances, delivering critical security updates and feature enhancements. Officially released in Q1 2025, it combines ASA firewall capabilities with next-generation intrusion prevention for modern network architectures. The software supports encrypted traffic inspection at 3.2Gbps throughput while maintaining backward compatibility with legacy ASA 5500-X configurations through unified policy management.
Designed for Firepower 1010/1120/1140/1150 hardware models, this release introduces automated threat correlation with Cisco SecureX and improves SD-WAN integration through vManage 21.03+ compatibility. The upgrade bundle includes validated cryptographic signatures to ensure secure deployment in regulated environments.
Key Features and Improvements
Security Enhancements
- Addresses 9 CVEs from Cisco Security Advisory 2025-Q1, including critical memory leak vulnerabilities
- Implements TLS 1.3 Full Handshake inspection capabilities
- Enhances malware detection with 40% faster file type identification
Performance Optimizations
- Reduces HA failover time to 28 seconds (45% improvement vs 7.2.x)
- Supports 250,000 concurrent connections on FPR1140 models
- Improves URL filtering memory efficiency by 150MB
Management Upgrades
- REST API latency reduced to 75ms for bulk operations
- Native integration with Cisco Defense Orchestrator 3.7+
- Automated policy synchronization across multi-site deployments
Compatibility and Requirements
| Supported Hardware | Minimum FXOS | RAM Requirement | SSD Capacity |
|---|---|---|---|
| Firepower 1010 | 2.12.1.218 | 8GB | 120GB |
| Firepower 1120 | 2.12.1.218 | 16GB | 240GB |
| Firepower 1140 | 2.12.1.218 | 32GB | 480GB |
| Firepower 1150 | 2.12.1.218 | 64GB | 960GB |
Critical Compatibility Notes:
- Requires ROMMON version 1.3.18+ for secure boot validation
- Incompatible with Firepower Management Center versions below 7.3
- Deprecates RC4 cipher support for all VPN connections
To obtain the verified Cisco_FTD_SSP_FP1K_Upgrade-7.3.1-19.sh.REL.tar package with SHA-256 checksum validation, visit https://www.ioshub.net for secure distribution options. Our platform maintains cryptographic chain-of-custody from Cisco’s secure build servers to ensure version authenticity.
