CVE-2025-36504: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

When a BIG-IP HTTP/2 httprouter profile is configured on a virtual server, undisclosed responses can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

  • F5 BIG-IP Access Policy Manager: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Advanced Firewall Manager: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Advanced Web Application Firewall: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Analytics: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Application Acceleration Manager: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Application Security Manager: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Application Visibility And Reporting: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Automation Toolchain: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Carrier-Grade Nat: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Container Ingress Services: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Ddos Hybrid Defender: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Domain Name System: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Edge Gateway: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Fraud Protection Service: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Global Traffic Manager: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Link Controller: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Local Traffic Manager: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Next Central Manager: version 20.2.0 only; version 20.2.1 only
  • F5 BIG-IP Next Cloud-Native Network Functions: from 1.1.0, up to and including 1.4.1
  • F5 BIG-IP Next Service Proxy For Kubernetes: from 1.7.0, up to and including 1.9.2
  • F5 BIG-IP Policy Enforcement Manager: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP SSL Orchestrator: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Webaccelerator: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)
  • F5 BIG-IP Websafe: from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.2 (fixed in 17.1.2)

Published 2025-05-07. Last modified 2026-06-17.