# CVE-2025-21091

## Summary

- **CVE ID:** CVE-2025-21091
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L)
- **CWE:** CWE-401
- **Published:** Feb 5, 2025
- **Last Modified:** Mar 12, 2026

## 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

## Affected Products

- F5 — BIG-IP (17.1.0)
- F5 — BIG-IP (16.1.0)
- F5 — BIG-IP (15.1.0)

## References

- [CNA](https://my.f5.com/manage/s/article/K000140933)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.45%
- **EPSS Percentile:** 38.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._