Introduction to Cisco_FTD_SSP_FP1K_Hotfix_BR-7.4.2.2-1.sh.REL.tar Software
The Cisco_FTD_SSP_FP1K_Hotfix_BR-7.4.2.2-1.sh.REL.tar is a critical security hotfix package for Cisco Firepower Threat Defense (FTD) software running on Firepower 1000 Series appliances. Designed to address urgent vulnerabilities and enhance operational stability, this digitally signed update follows Cisco’s Extended Maintenance Release (EMR) lifecycle for enterprise firewall deployments.
This hotfix specifically targets Firepower 1010/1140/1150/2110 hardware models operating FTD version 7.4.2. Cisco’s Technical Assistance Center (TAC) validates its deployment for environments requiring immediate patching of directory traversal vulnerabilities and SSL inspection performance optimizations. The “.REL.tar” extension confirms its status as a Cisco-verified Secure Software Package (SSP) containing cryptographic integrity checks.
Key Features and Improvements
Critical Security Remediation
- CVE-2020-3452 Mitigation: Eliminates directory traversal risks in WebVPN/AnyConnect interfaces (originally patched in FTD 6.6.0.1+)
- TLS 1.3 Session Resumption: Strengthens encryption handshake protocols for VPN tunnels
- Updated IPS signatures targeting 18 new ransomware variants identified in Q2 2025 threat intelligence
Operational Enhancements
| Metric | Improvement |
|---|---|
| SSL Decryption | 22% faster TLS 1.3 session establishment |
| HA Cluster Sync | 40% reduction in state synchronization latency |
Management Optimizations
- Extended SNMP MIB support for CPU/memory health monitoring
- Streamlined FMC (Firepower Management Center) policy deployment workflows
- Enhanced log rotation mechanisms to prevent storage overutilization
Compatibility and Requirements
Supported Hardware
| Model | Minimum FXOS Version | RAM Requirement |
|---|---|---|
| Firepower 1010 | 2.14(1.131) | 8GB DDR4 |
| Firepower 1140 | 2.14(1.131) | 16GB DDR4 |
| Firepower 2110 | 2.14(1.131) | 32GB DDR4 |
Virtualization Constraints
- Requires VMware ESXi 7.0 U3+ with VMXNET3 adapters
- Incompatible with Azure Gen1 VMs or AWS instances using Xen hypervisors
- Mandatory FTD 7.4.2 base installation prior to hotfix application
Verified Access and Licensing
Authorized network administrators can obtain this time-sensitive security update exclusively through https://www.ioshub.net, which maintains Cisco-authenticated distribution rights. Each package includes SHA-512 checksums for binary validation, ensuring compliance with enterprise security policies. Volume licensing agreements for multi-device deployments are available via our enterprise support portal.
