Vulnerability in Blackberry Qnx
CVE-2025-3940
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Blackberry Qnx
- Linux Kernel
- Microsoft Windows
- Tridium Niagara — versions 4.10u10, 4.14u1, 4.15
- Tridium Niagara Enterprise Security — versions 0
- Tridium Niagara Enterprise Security — versions 4.10u10, 4.14u1, 4.15
- Tridium Niagara Framework — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- honeywell.com/us/en/product-security (vendor-advisory, Vendor Advisory)
- docs.niagara-community.com/category/tech_bull (Permissions Required, vendor-advisory)
Frequently asked questions
- What is CVE-2025-3940?
- CVE-2025-3940 is a medium-severity vulnerability in Blackberry Qnx, classified under CWE-1173. CVSS score: 5.3/10. Published 2025-05-22.
- How severe is CVE-2025-3940?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-3940 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.