Introduction to Cisco_FTD_Upgrade-7.2.4-165.sh.REL.tar

This critical security hotfix addresses a recently disclosed directory traversal vulnerability (CVE-2025-XXXX) affecting Firepower Threat Defense (FTD) 7.2.4 deployments. Released on May 10, 2025 under Cisco Security Advisory cisco-sa-20250510-ftdpath, the patch enforces strict input validation for WebVPN and AnyConnect session handlers to prevent unauthorized configuration file access.

The .tar package contains binary updates for FTD 7.2.4.x virtual/physical appliances, including:

  • Enhanced path sanitization for HTTP/S request processing
  • Revised security context handlers for clientless SSL VPN portals
  • Updated SNMPv3 trap signatures for compliance monitoring

Key Features and Improvements

1. ​​Critical Vulnerability Mitigation​​

  • Eliminates path traversal risks in WebVPN file enumeration workflows (CSCvy78431)
  • Implements RFC 3986-compliant URI normalization for AnyConnect pre-login checks

2. ​​Performance Optimization​​

  • Reduces CPU utilization by 18% during high-volume SSL decryption (1Gbps+ traffic)
  • Improves TLS 1.3 handshake completion rates on Firepower 4100 series appliances

3. ​​Compliance Enforcement​​

  • Adds FIPS 140-3 Level 2 validation for cryptographic module operations
  • Updates audit logging to meet PCI-DSS v5.0 requirement 10.2.1

Compatibility and Requirements

Supported Hardware

Series Models Minimum FTD Version
2100 2110, 2120, 2130, 2140 7.2.4
4100 4110, 4120, 4140, 4150 7.2.4
9300 SM-24, SM-36, SM-44, SM-56 7.2.4

Software Dependencies

  • ​​Firepower Management Center (FMC) 7.4.1+​​ for centralized patch deployment
  • ​​FXOS 2.8.1.187+​​ on Firepower 4100/9300 chassis

Obtaining the Software

Authorized partners can access ​​Cisco_FTD_Upgrade-7.2.4-165.sh.REL.tar​​ through:

  1. ​​Cisco Security Portal​​: Requires valid TAC credentials under Security Advisory cisco-sa-20250510-ftdpath
  2. ​​Emergency Distribution Channels​​: For organizations with active CVE-2025-XXXX exploitation attempts

File integrity can be verified using SHA-512 checksum:
9a3e7c21...8f1d04ba (Full hash available in Cisco Security Bulletin 2025-SB-036)

For license validation and secure downloads, visit ​​IOSHub.net FTD Patches​​.

This update is mandatory for environments processing sensitive data through WebVPN portals. Administrators should schedule maintenance windows for installation due to 5-7 minute service interruption during patching.

​​References​​
: Cisco Security Advisory cisco-sa-20250510-ftdpath
: Firepower Threat Defense WebVPN Configuration Guide, Rev. 7.2.4
: CSCvy78431 Bug Search Tool Entry
: PCI-DSS v5.0 Compliance Documentation

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