CVE-2025-21091 - CVE House
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Status published High CVE-2025-21091

BIG-IP SNMP vulnerability

Vulnerability Description

When SNMP v1 or v2c are disabled on the BIG-IP, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • F5

References

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Affected Vendor

Affected Software

BIG-IP
Vulnerable Versions:
17.1.0, 16.1.0, 15.1.0

Timeline

Official Publish: February 5th, 2025
Last Modified: February 5th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-401

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1486 Data Encrypted for Impact
Impact
T1562 Impair Defenses
Defense Evasion