Buffer overflow in Honeywell C200e
CVE-2025-2521
The Honeywell Experion PKS and OneWireless WDM contains a Memory Buffer vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to an Overread Buffers, which could result…
Vulnerability class: Buffer Overflow
EPSS: 0.012 (79.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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
- Honeywell Wireless Device Manager — versions 322.1, 330.1
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-2521?
- CVE-2025-2521 is a high-severity vulnerability in Honeywell C200e, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.6/10. Published 2025-07-10.
- How severe is CVE-2025-2521?
- High severity. CVSS v3 base score is 8.6 out of 10.