CVE-2025-53521

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 0/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

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

CISA Known Exploited Vulnerability

Vendor / Product F5 — BIG-IP
Date Added 2026-03-27
Remediation Due 2026-03-30
Please adhere to F5’s guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible F5 products affected by this vulnerability. For more information please see: https://my.f5.com/manage/s/article/K000156741 ; https://my.f5.com/manage/s/article/K000160486 ; https://my.f5.com/manage/s/article/K11438344 ; https://nvd.nist.gov/vuln/detail/CVE-2025-53521

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
f5 big-ip_access_policy_manager 15.1.0 – 15.1.10.8
f5 big-ip_access_policy_manager 16.1.0 – 16.1.6.1
f5 big-ip_access_policy_manager 17.1.0 – 17.1.3
f5 big-ip_access_policy_manager 17.5.0 – 17.5.1.3

Bug Bounty Relevance

0 / 100
✓ Known exploited (KEV)

CVSS Score

Unscored

EPSS — Exploitation Probability

2.30%
Raw Score 0.022950
Percentile 83.2%
Date 2026-10-28

Intelligence Sources

kev ref →