CVE-2026-28253
High
Description
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
SeverityHigh
CVSS7.5
Exploit probability—
ProductTrane Tracer Sc Firmware
PublishedMar 12, 2026
First seenMar 12, 2026
Weakness typeCWE-789CWE-789
How to fix
Update
- trane tracer_sc\+_firmware6.3.2310 or later
- trane tracer_concierge6.3.2310 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| trane tracer_sc_firmware | v ≤ 4.4, 4.4 | — |
| trane tracer_sc\+_firmware | v < 6.3.2310 | 6.3.2310 |
| trane tracer_concierge | v < 6.3.2310 | 6.3.2310 |
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