CRITICALCVSS 9.8Actively exploited · CISA KEV since 2026-03-27Vulnerability

CVE-2025-53521

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

Properties

Euvd product
BIG-IP
Vulnerability name
F5 BIG-IP Stack-Based Buffer Overflow Vulnerability
First seen
2026-03-31T16:04:27+00:00
Cvss score
9.8
Epss score
0.02295
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-03-30
Euvd assigner
f5
Retrieved at
2026-10-21T01:24:48+00:00
Exploited euvd since
2026-03-27T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2026-03-27
Score
9.8
Euvd base score version
4.0
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
F5
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.3

Related Entities (6)

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CVE-2025-53521 (CVSS 9.8) — Ninja Signal Threat Intelligence | Ninja Signal