# CVE-2025-3940

## Summary

- **CVE ID:** CVE-2025-3940
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
- **CWE:** CWE-1173
- **Published:** May 22, 2025
- **Last Modified:** Mar 12, 2026

## Description

Improper Use of Validation Framework vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterprise Security on Windows, Linux, QNX allows Input Data Manipulation. This issue affects Niagara Framework: before 4.14.2, before 4.15.1, before 4.10.11; Niagara Enterprise Security: before 4.14.2, before 4.15.1, before 4.10.11. Tridium recommends upgrading to Niagara Framework and Enterprise Security versions 4.14.2u2, 4.15.u1, or 4.10u.11.

## Affected Products

- Tridium — Niagara Framework (0)
- Tridium — Niagara Enterprise Security (0)

## References

- [CNA](https://honeywell.com/us/en/product-security#security-notices)
- [CNA](https://docs.niagara-community.com/category/tech_bull)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.36%
- **EPSS Percentile:** 28.8

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