Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVSS EPSS %ile KEV — .0221 81.2 YES
AFFECTED Product Versions Fixed BIG-IP unspecified —
TIMELINE Mar 27 Added to CISA KEV, remediation due 2026-03-30 Mar 27 Published
| Date | Event | Detail |
|---|---|---|
| March 27, 2026 | KEV ADDED | Added to CISA KEV, remediation due 2026-03-30 |
| March 27, 2026 | Published | Published |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| F5 | BIG-IP | — | — | — |
No references recorded.
Authoritative record: CVE-2025-53521 at cve.org
Vendors: f5
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-53521 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.