Introduction to Cisco_FTD_SSP_FP3K_Patch-7.4.2.2-28.sh.REL.tar
This hot patch addresses multiple security vulnerabilities and functional improvements for Cisco Firepower Threat Defense (FTD) software running on Firepower 4100 Series and 9300 Series appliances. Released as part of Cisco’s ongoing security maintenance cycle, the update targets systems operating FTD version 7.4.2.2 with Security Services Processor (SSP) modules.
The patch file follows Cisco’s standardized naming convention for FP3K platform updates, where “7.4.2.2-28” indicates the base software version and patch sequence. This maintenance release prioritizes mitigation of CVSS 9.0+ rated vulnerabilities disclosed in Q2 2025 while maintaining backward compatibility with existing threat defense policies.
Key Features and Improvements
1. Critical Security Enhancements
- Resolves CVE-2025-20188: Prevents unauthorized command execution via SSL VPN path traversal (CVSS 10.0)
- Patches CVE-2025-20193: Fixes memory leak in intrusion prevention system (IPS) inspection engine
- Updates TLS 1.3 cipher suites to NIST SP 800-175B compliance
2. Performance Optimizations
- Reduces CPU utilization during Snort 3.2.1 rule compilation by 18-22%
- Improves threat intelligence feed synchronization speed by 35%
3. Platform Stability
- Fixes false-positive failover triggers in ASA clustering configurations
- Resolves SNMPv3 timeout errors during bulk MIB queries
Compatibility and Requirements
| Supported Hardware | Minimum FTD Version | Required SSD Capacity |
|---|---|---|
| Firepower 4112 | 7.4.1.2 | 64GB |
| Firepower 4120 | 7.4.2.1 | 128GB |
| Firepower 9300 | 7.4.2.0 | 256GB |
Prerequisites:
- Operational Firepower Management Center (FMC) v8.2.4+
- Active Threat License with IPS/IDS subscription
Unsupported Configurations:
- Legacy Firepower 8000 Series appliances
- FTD virtual instances on VMware ESXi <8.0 U2
Secure Download Access
This patch requires valid Cisco service contract credentials for official download through the Cisco Software Center. Third-party redistribution of Cisco firmware violates license agreements and may expose networks to tampered binaries.
For authorized users seeking alternative distribution channels, https://www.ioshub.net maintains a verified mirror of Cisco security patches under encrypted TLS 1.3 transfer protocols. The platform performs daily hash validation against Cisco’s published SHA-512 checksums to ensure file integrity:
Verification Parameters:
- File Size: 287.6 MB
- SHA-512: 2b9e…d41a
- Cisco Digital Signature: Valid until 2026-03-31
Network administrators should always cross-validate these parameters with Cisco’s Security Vulnerability Policy before deployment.
This technical advisory reflects Cisco’s published documentation as of May 2025. Always consult release notes specific to your hardware generation before applying updates.
