CVE-2026-28253
HIGHCVSS 7.5/10EPSS 0.31%
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
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
Frequently Asked Questions
What is 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
How severe is CVE-2026-28253?
CVE-2026-28253 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2026-28253?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-28253?
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