CVE-2025-53521

When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://my.f5.com/manage/s/article/K000156741	Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-53521	US Government Resource

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:f5:big-ip_access_policy_manager::::::::
	cpe:2.3:a:f5:big-ip_access_policy_manager::::::::
	cpe:2.3:a:f5:big-ip_access_policy_manager::::::::
	cpe:2.3:a:f5:big-ip_access_policy_manager::::::::

History

08 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Cuando se configura una política de acceso de BIG-IP APM en un servidor virtual, el tráfico no revelado puede provocar la terminación de TMM. Nota: Las versiones de software que han alcanzado el fin de soporte técnico (EoTS) no se evalúan.

Information

Published : 2025-10-15 14:15

Updated : 2026-10-08 12:10

NVD link : CVE-2025-53521

Mitre link : CVE-2025-53521

CVE.ORG link : CVE-2025-53521

JSON object : View

Products Affected

f5

big-ip_access_policy_manager

CWE

CWE-121

Stack-based Buffer Overflow

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