CVE-2026-40618: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

When an SSL profile is configured on a virtual server on BIG-IP Virtual Edition (VE) without Intel QuickAssist Technology (QAT) or on BIG-IP hardware platforms with the database variable crypto.hwacceleration set to disabled, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

  • F5 BIG-IP Access Policy Manager: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Advanced Firewall Manager: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Advanced Web Application Firewall: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Analytics: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Application Acceleration Manager: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Application Security Manager: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Application Visibility And Reporting: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Automation Toolchain: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Carrier-Grade Nat: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Container Ingress Services: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Ddos Hybrid Defender: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Domain Name System: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Edge Gateway: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Fraud Protection Service: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Global Traffic Manager: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Link Controller: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Local Traffic Manager: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Next Cloud-Native Network Functions: from 1.1.0, up to and including 1.4.1; from 2.0.0, up to and including 2.2.1
  • F5 BIG-IP Next For Kubernetes: from 2.0.0, up to and including 2.1.1
  • F5 BIG-IP Next Service Proxy For Kubernetes: from 1.7.0, up to and including 1.9.2; from 2.0.0, up to and including 2.0.3
  • F5 BIG-IP Policy Enforcement Manager: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP SSL Orchestrator: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Webaccelerator: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only
  • F5 BIG-IP Websafe: from 17.1.0, up to and including 17.1.3; from 17.5.0, up to and including 17.5.1; from 16.1.0, up to and including 16.1.6; version 21.0.0 only

Published 2026-05-13. Last modified 2026-06-29.