CVE-2026-40618
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.
- Score
- CVSS 4.0 8.7 High
- Status
- Analyzed - f5sirt@f5.com
- Published
- 2026-05-13
- Last modified
- 2026-10-26
- Weaknesses
- CWE-131
Affected products
- Big-ip (F5)
- Big-ip Access Policy Manager (F5)
- Big-ip Advanced Firewall Manager (F5)
- Big-ip Advanced Web Application Firewall (F5)
- Big-ip Analytics (F5)
- Big-ip Application Acceleration Manager (F5)
- Big-ip Application Security Manager (F5)
- Big-ip Application Visibility And Reporting (F5)
- Big-ip Automation Toolchain (F5)
- Big-ip Carrier-grade Nat (F5)
- Big-ip Container Ingress Services (F5)
- Big-ip Ddos Hybrid Defender (F5)
- Big-ip Domain Name System (F5)
- Big-ip Edge Gateway (F5)
- Big-ip Fraud Protection Service (F5)
- Big-ip Global Traffic Manager (F5)
- Big-ip Link Controller (F5)
- Big-ip Local Traffic Manager (F5)
- Big-ip Next Cloud-native Network Functions (F5)
- Big-ip Next Cnf (F5)
- Big-ip Next For Kubernetes (F5)
- Big-ip Next Service Proxy For Kubernetes (F5)
- Big-ip Next Spk (F5)
- Big-ip Policy Enforcement Manager (F5)
- Big-ip Ssl Orchestrator (F5)
- Big-ip Webaccelerator (F5)
- Big-ip Websafe (F5)
References
- https://my.f5.com/manage/s/article/K000158082
