Live › vulnerability › CVE-2025-53521
Go to dashboardF5 BIG-IP APM has a stack-based buffer overflow that lets a remote attacker run code on the device. CISA lists it as actively exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| F5 BIG-IP | vendor | – | – |
| f5 big-ip access policy manager | vendor | >= 15.1.0, < 15.1.10.8 | 15.1.10.8 |
| f5 big-ip access policy manager | vendor | >= 16.1.0, < 16.1.6.1 | 16.1.6.1 |
| f5 big-ip access policy manager | vendor | >= 17.1.0, < 17.1.3 | 17.1.3 |
| f5 big-ip access policy manager | vendor | >= 17.5.0, < 17.5.1.3 | 17.5.1.3 |
Unknown from the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
F5 BIG-IP APM contains a stack-based buffer overflow vulnerability that could allow a threat actor to achieve remote code execution.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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