Integer overflow in Honeywell C200e
CVE-2025-3947
The Honeywell Experion PKS contains an Integer Underflow vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to Input Data Manipulation, which could result in im…
EPSS: 0.004 (59.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.
Affected products
- Honeywell C200e — versions 520.1, 530
- Honeywell C300 Pcnt02 — versions 520.1, 530
- Honeywell C300 Pcnt05 — versions 520.1, 530
- Honeywell C300pm — versions 520.1, 530
- Honeywell Cn100 — versions 520.1, 530
- Honeywell Fim4 — versions 520.1, 530
- Honeywell Fim8 — versions 520.1, 530
- Honeywell Hca — versions 520.1, 530
- Honeywell Uoc — versions 520.1, 530
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-3947?
- CVE-2025-3947 is a high-severity vulnerability in Honeywell C200e, classified under Integer Underflow. CVSS score: 8.2/10. Published 2025-07-10.
- How severe is CVE-2025-3947?
- High severity. CVSS v3 base score is 8.2 out of 10.