Vulnerability in Trane Tracer Concierge
CVE-2026-28253
A Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to cause a denial-of-service condition
EPSS: 0.003 (22.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Trane Tracer Concierge — versions 0
- Trane Tracer_concierge
- Trane Tracer Sc — versions 0
- Trane Tracer Sc+ — versions 0
- Trane Tracer_sc
- Trane Tracer_sc\+
- Trane Tracer_sc\+_firmware
- Trane Tracer_sc_firmware — versions 4.4
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, government-resource)
Frequently asked questions
- What is CVE-2026-28253?
- CVE-2026-28253 is a high-severity vulnerability in Trane Tracer Concierge, classified under CWE-789. CVSS score: 7.5/10. Published 2026-03-12.
- How severe is CVE-2026-28253?
- High severity. CVSS v3 base score is 7.5 out of 10.