CVE-2025-53521
Analyzed
Analyzed - Analysis Complete
BaseFortify
Publication date: 2025-10-15
Last updated on: 2026-03-31
Assigner: F5 Networks
Description
Description
When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE).
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| f5 | big-ip_access_policy_manager | From 16.1.0 (inc) to 16.1.6.1 (exc) |
| f5 | big-ip_access_policy_manager | From 17.1.0 (inc) to 17.1.3 (exc) |
| f5 | big-ip_access_policy_manager | From 17.5.0 (inc) to 17.5.1.3 (exc) |
| f5 | big-ip_access_policy_manager | From 15.1.0 (inc) to 15.1.10.8 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
| CWE-770 | The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability occurs when a BIG-IP APM Access Policy is configured on a virtual server. Undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate unexpectedly.
How can this vulnerability impact me? :
The vulnerability can cause the TMM process to terminate, which may lead to denial of service or disruption of network traffic management on the affected BIG-IP system.
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