CVE-2025-53856 - F5 Big-ip Carrier-grade Nat, F5 Big-ip Local Traffic Manager and F5 Big-ip Ssl Orchestrator

Critical 7.5

When a virtual server, network address translation (NAT) object, or secure network address translation (SNAT) object uses the embedded Packet Velocity Acceleration (ePVA) feature, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  To determine which BIG-IP platforms have an ePVA chip refer to K12837: Overview of the ePVA feature https://my.f5.com/manage/s/article/K12837 .  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected software

F5 Big-ip Carrier-grade Nat

F5 Big-ip Local Traffic Manager

F5 Big-ip Ssl Orchestrator

F5 Big-ip Analytics

F5 Big-ip Automation Toolchain

F5 Big-ip Advanced Web Application Firewall

F5 Big-ip Link Controller

F5 Big-ip Websafe

F5 Big-ip Application Acceleration Manager

F5 Big-ip Fraud Protection Service

F5 Big-ip Ddos Hybrid Defender

F5 Big-ip Global Traffic Manager

F5 Big-ip Application Visibility And Reporting

F5 Big-ip Advanced Firewall Manager

F5 Big-ip Container Ingress Services

F5 Big-ip Access Policy Manager

F5 Big-ip Application Security Manager

F5 Big-ip Policy Enforcement Manager

F5 Big-ip Webaccelerator

F5 Big-ip Edge Gateway

F5 Big-ip Domain Name System

Reference links

Get alerted to vulnerabilities in your software

CVE alerts, vulnerability alerts, latest versions and news matched to your software stack.