CVE-2026-28253
Last modified
CVE-2026-28253 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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 estimates a 0.31% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Trane | Tracer Sc Firmware | <= 4.4 | — |
| Trane | Tracer Sc Firmware | 4.4 | Service Pack1 |
| Trane | Tracer Sc\+ Firmware | < 6.3.2310 | — |
| Trane | Tracer Concierge | < 6.3.2310 | — |
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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