CVE-2025-46706: BIG-IP iRules vulnerability

Published Oct 15, 2025
·
Updated

When an iRule containing the HTTP::respond command is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization.

Affected Software

52 affected componentsFixes available
F5 BIG-IP Next SPK
2.0.0
F5 BIG-IP Next SPK>=1.7.0<=1.9.2
1.7.14-
F5 BIG-IP Next CNF
2.0.0
F5 BIG-IP Next CNF>=1.1.0<=1.4.1
1.4.0-
F5 BIG-IP Next for Kubernetes
2.0.0
F5 BIG-IP>=17.1.0<=17.1.2
17.5.0
F5 BIG-IP>=16.1.0<=16.1.5
16.1.6
F5 BIG-IP
F5 Big-ip Next Cloud-native Network Functions>=1.1.0<=1.4.1
F5 Big-ip Next Service Proxy For Kubernetes>=1.7.0<=1.9.2
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

Oct 15, 2025
Advisory Published
via F5·11:01 AM
Data Sourced
via F5·11:01 AM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·01:55 PM
Data Sourced
via MITRE·01:55 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-46706?

CVE-2025-46706 is classified as a high-severity vulnerability due to its impact on memory resource utilization.

2

How do I fix CVE-2025-46706?

To fix CVE-2025-46706, upgrade your F5 BIG-IP software to the recommended remedial version as specified in the advisory.

3

Which products are affected by CVE-2025-46706?

CVE-2025-46706 affects various F5 products, including BIG-IP Next SPK, BIG-IP Next CNF, BIG-IP Next for Kubernetes, and different versions of BIG-IP.

4

What is the risk of not addressing CVE-2025-46706?

Not addressing CVE-2025-46706 may lead to increased memory resource utilization, potentially causing performance degradation and system instability.

5

What specific versions of F5 products are vulnerable to CVE-2025-46706?

CVE-2025-46706 specifically affects F5 products running certain versions of BIG-IP and BIG-IP Next variants as specified in the vulnerability advisory.

Contact

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