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CVE-2025-53521

F5 BIG-IP Stack-Based Buffer Overflow Vulnerability

Description

F5 BIG-IP APM contains a stack-based buffer overflow vulnerability that could allow a threat actor to achieve remote code execution.

Recommended 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.

CISA remediation due date for U.S. federal agencies: 30 Mar 2026.

Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.