CVE-2025-52585: BIG-IP Client SSL profile vulnerability
Published Aug 13, 2025
·Updated
When a BIG-IP LTM Client SSL profile is configured on a virtual server with SSL Forward Proxy enabled and Anonymous Diffie-Hellman (ADH) ciphers enabled, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate.
Affected Software
66 affected componentsFixes available
F5 BIG-IP>=17.1.0<=17.1.2
17.1.2.2
F5 BIG-IP>=16.1.0<=16.1.5
16.1.6
F5 BIG-IP>=15.1.0<=15.1.10
15.1.10.8
F5 BIG-IP Access Policy Manager>=15.1.0<15.1.10.8
F5 BIG-IP Advanced Firewall Manager>=15.1.0<15.1.10.8
F5 Big-ip Advanced Web Application Firewall>=15.1.0<15.1.10.8
F5 BIG-IP Analytics>=15.1.0<15.1.10.8
F5 Big-ip Application Acceleration Manager>=15.1.0<15.1.10.8
F5 BIG-IP Application Security Manager>=15.1.0<15.1.10.8
F5 Big-ip Application Visibility And Reporting>=15.1.0<15.1.10.8
F5 Big-ip Automation Toolchain>=15.1.0<15.1.10.8
F5 Big-ip Carrier-grade Nat>=15.1.0<15.1.10.8
F5 BIG-IP Container Ingress Services>=15.1.0<15.1.10.8
F5 Big-ip Ddos Hybrid Defender>=15.1.0<15.1.10.8
F5 Big-ip Domain Name System>=15.1.0<15.1.10.8
F5 BIG-IP Edge Gateway>=15.1.0<15.1.10.8
F5 Big-ip Fraud Protection Service>=15.1.0<15.1.10.8
F5 Big-ip Global Traffic Manager>=15.1.0<15.1.10.8
F5 Big-ip Link Controller>=15.1.0<15.1.10.8
F5 Big-ip Local Traffic Manager>=15.1.0<15.1.10.8
F5 Big-ip Policy Enforcement Manager>=15.1.0<15.1.10.8
F5 BIG-IP SSL Orchestrator>=15.1.0<15.1.10.8
F5 Big-ip Webaccelerator>=15.1.0<15.1.10.8
F5 Big-ip Websafe>=15.1.0<15.1.10.8
F5 BIG-IP Access Policy Manager>=16.1.0<16.1.6
F5 BIG-IP Advanced Firewall Manager>=16.1.0<16.1.6
F5 Big-ip Advanced Web Application Firewall>=16.1.0<16.1.6
F5 BIG-IP Analytics>=16.1.0<16.1.6
F5 Big-ip Application Acceleration Manager>=16.1.0<16.1.6
F5 BIG-IP Application Security Manager>=16.1.0<16.1.6
F5 Big-ip Application Visibility And Reporting>=16.1.0<16.1.6
F5 Big-ip Automation Toolchain>=16.1.0<16.1.6
F5 Big-ip Carrier-grade Nat>=16.1.0<16.1.6
F5 BIG-IP Container Ingress Services>=16.1.0<16.1.6
F5 Big-ip Ddos Hybrid Defender>=16.1.0<16.1.6
F5 Big-ip Domain Name System>=16.1.0<16.1.6
F5 BIG-IP Edge Gateway>=16.1.0<16.1.6
F5 Big-ip Fraud Protection Service>=16.1.0<16.1.6
F5 Big-ip Global Traffic Manager>=16.1.0<16.1.6
F5 Big-ip Link Controller>=16.1.0<16.1.6
F5 Big-ip Local Traffic Manager>=16.1.0<16.1.6
F5 Big-ip Policy Enforcement Manager>=16.1.0<16.1.6
F5 BIG-IP SSL Orchestrator>=16.1.0<16.1.6
F5 Big-ip Webaccelerator>=16.1.0<16.1.6
F5 Big-ip Websafe>=16.1.0<16.1.6
F5 BIG-IP Access Policy Manager>=17.1.0<17.1.2.2
F5 BIG-IP Advanced Firewall Manager>=17.1.0<17.1.2.2
F5 Big-ip Advanced Web Application Firewall>=17.1.0<17.1.2.2
F5 BIG-IP Analytics>=17.1.0<17.1.2.2
F5 Big-ip Application Acceleration Manager>=17.1.0<17.1.2.2
F5 BIG-IP Application Security Manager>=17.1.0<17.1.2.2
F5 Big-ip Application Visibility And Reporting>=17.1.0<17.1.2.2
F5 Big-ip Automation Toolchain>=17.1.0<17.1.2.2
F5 Big-ip Carrier-grade Nat>=17.1.0<17.1.2.2
F5 BIG-IP Container Ingress Services>=17.1.0<17.1.2.2
F5 Big-ip Ddos Hybrid Defender>=17.1.0<17.1.2.2
F5 Big-ip Domain Name System>=17.1.0<17.1.2.2
F5 BIG-IP Edge Gateway>=17.1.0<17.1.2.2
F5 Big-ip Fraud Protection Service>=17.1.0<17.1.2.2
F5 Big-ip Global Traffic Manager>=17.1.0<17.1.2.2
F5 Big-ip Link Controller>=17.1.0<17.1.2.2
F5 Big-ip Local Traffic Manager>=17.1.0<17.1.2.2
F5 Big-ip Policy Enforcement Manager>=17.1.0<17.1.2.2
F5 BIG-IP SSL Orchestrator>=17.1.0<17.1.2.2
F5 Big-ip Webaccelerator>=17.1.0<17.1.2.2
F5 Big-ip Websafe>=17.1.0<17.1.2.2
Event History
Aug 13, 2025
Advisory Published
via F5·01:08 PM
Data Sourced
via F5·01:08 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·02:46 PM
Data Sourced
via MITRE·02:46 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-52585?
CVE-2025-52585 is classified as a high severity vulnerability affecting F5 BIG-IP systems.
2
How do I fix CVE-2025-52585?
To fix CVE-2025-52585, update your F5 BIG-IP software to versions 17.1.2.2, 16.1.6, or apply the recommended patches.
3
Which F5 BIG-IP versions are affected by CVE-2025-52585?
CVE-2025-52585 affects F5 BIG-IP versions 15.1.0 through 15.1.10, 16.1.0 through 16.1.5, and 17.1.0 through 17.1.2.
4
What causes CVE-2025-52585?
CVE-2025-52585 is caused by the configuration of an SSL Forward Proxy with Anonymous Diffie-Hellman ciphers enabled, leading to potential TMM termination.
5
Is there a workaround for CVE-2025-52585?
Currently, disabling Anonymous Diffie-Hellman ciphers on affected F5 BIG-IP configurations serves as a temporary workaround for CVE-2025-52585.