CVE

CVE-2025-53521

F5 BIG-IP Stack-Based Buffer Overflow Vulnerability

F5 · BIG-IP

Date added (CISA)

2026-03-27

Remediation due

2026-03-30

Known ransomware use

Not indicated

Remediation priority

P2 — past CISA due date

ATT&CK mapping

No ATT&CK mapping yet

The CTID Mappings Explorer hasn't published an exploitation/impact technique mapping for this CVE yet.