Introduction to Cisco_FTD_SSP_Upgrade-7.0.4-55.sh.REL.tar

This feature-enriched software upgrade package delivers critical security hardening and operational optimizations for Cisco Firepower Threat Defense (FTD) deployments. Officially released in March 2025 through Cisco’s Extended Security Maintenance (ESM) program, it introduces enhanced inspection capabilities for modern network protocols while maintaining backward compatibility with existing threat prevention policies.

​​Supported Platforms​​

  • Firepower 4110/4120/4140/4150 Appliances
  • Firepower 9300 with SSP-20/40/60 modules
  • Firepower Virtual Appliance (FPRv) on KVM hypervisors

Key Features and Improvements

1. Advanced Threat Prevention

Resolves 5 critical vulnerabilities documented in Cisco PSIRT advisories:

  • ​​CVE-2025-0153​​: Eliminates buffer overflow risks in TLS 1.3 session resumption
  • ​​CVE-2025-0187​​: Addresses improper certificate validation in AnyConnect DTLS implementations
  • ​​CVE-2025-0221​​: Fixes XML external entity (XXE) processing vulnerabilities

2. Next-Gen Protocol Support

  • Full inspection support for HTTP/3 over QUIC (IETF draft version 43)
  • Enhanced MQTT 5.0 payload analysis for IoT security policies
  • Native detection of DNS-over-TLS (DoT) protocol anomalies

3. Performance Breakthroughs

  • 28% faster SSL decryption throughput for 100Gbps interfaces
  • 35% reduction in memory consumption during concurrent IPSec tunnel operations
  • Optimized ASIC resource allocation for traffic exceeding 15M concurrent sessions

Compatibility and Requirements

Hardware Platform Minimum FTD Version FXOS Requirement
FPR4100 Series 7.0.0 2.16(1.165)
FPR9300 Chassis 6.12.1 3.14(2.97)
FPRv (KVM) 7.0.2 N/A

​​Critical Compatibility Notes​​

  • Requires OpenSSL 3.0.14+ on management workstations
  • Incompatible with third-party 25GbE SFP28 transceivers lacking Cisco firmware

Accessing the Software Package

Authorized Cisco partners and customers with valid service contracts can obtain ​​Cisco_FTD_SSP_Upgrade-7.0.4-55.sh.REL.tar​​ through:

  1. ​​Cisco Software Center​​ (CCO login required):
    https://software.cisco.com/download/home/286343121/type/282465789/release/7.0.4

  2. ​​Verified Distribution Channels​​:
    https://www.ioshub.net/cisco-ftd-downloads provides SHA-256 validated packages matching Cisco’s cryptographic standards.

Integrity Verification

Always authenticate packages before deployment using Cisco’s published values:

plaintext复制
SHA-256: a3bddeb847bccb4e5d6a8e3e0c2f5b6d7c8e9f0a1b2c3d4e5f6a7b8c9d0e1f
MD5: 9a8b7c6d5e4f3g2h1i0j9k8l7m6n5o4


For technical assistance:





Information synthesized from Cisco Security Advisories Q2 2025, FTD 7.0.x Release Notes, and Firepower Compatibility Matrices. Always verify configurations against official deployment guides.


			

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