CVE-2025-53521
Analyzed
Analyzed - Analysis Complete
BaseFortify
Vulnerability report for CVE-2025-53521, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
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
| Probability: | |
| Percentile: |
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-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. |
| 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). |
