CVE-2026-28255
Use of Hard-coded Credentials in Trane Tracer SC Enables Account Takeover
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-798 | The product contains hard-coded credentials, such as a password or cryptographic key. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves the use of hard-coded credentials in Trane Tracer SC, Tracer SC+, and Tracer Concierge products. Hard-coded credentials are fixed usernames and passwords embedded directly in the software code, which attackers can exploit to gain unauthorized access.
An attacker could leverage these hard-coded credentials to disclose sensitive information and take over user accounts within these systems.
How can this vulnerability impact me? :
Exploitation of this vulnerability could allow an attacker to access sensitive information and assume control of accounts in the affected Trane products.
This could lead to unauthorized actions within the system, potentially compromising system integrity, confidentiality, and availability.
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?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know