CVE-2026-28253
Memory Allocation Overflow in Trane Tracer Causes DoS
Publication date: 2026-03-12
Last updated on: 2026-03-27
Assigner: ICS-CERT
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| trane | tracer_sc_firmware | to 4.4 (inc) |
| trane | tracer_sc_firmware | 4.4 |
| trane | tracer_sc_firmware | 4.4 |
| trane | tracer_sc_firmware | 4.4 |
| trane | tracer_sc_firmware | 4.4 |
| trane | tracer_sc_firmware | 4.4 |
| trane | tracer_sc_firmware | 4.4 |
| trane | tracer_sc+_firmware | to 6.3.2310 (exc) |
| trane | tracer_concierge | to 6.3.2310 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-789 | The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Memory Allocation with Excessive Size Value issue found in Trane Tracer SC, Tracer SC+, and Tracer Concierge products. It allows an unauthenticated attacker to trigger a denial-of-service condition by exploiting the way memory is allocated with an excessively large size value.
How can this vulnerability impact me? :
The primary impact of this vulnerability is that an unauthenticated attacker could cause a denial-of-service (DoS) condition. This means the affected systems could become unavailable or unresponsive, potentially disrupting normal operations.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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