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CRITICAL · 9.8

CVE-2026-28252

A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the...

Vulnerability Description

A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the device.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
TraneTracer Sc Firmware<= 4.4
TraneTracer ScAll versions
TraneTracer Sc\+ Firmware< 6.3.2310
TraneTracer Sc\+All versions
TraneTracer Concierge< 6.3.2310

Related Weaknesses (CWE)

CWE-327

References

FAQ

What is CVE-2026-28252?

CVE-2026-28252 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the...

How severe is CVE-2026-28252?

CVE-2026-28252 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-28252?

Check the references section above for vendor advisories and patch information. Affected products include: Trane Tracer Sc Firmware, Trane Tracer Sc, Trane Tracer Sc\+ Firmware, Trane Tracer Sc\+, Trane Tracer Concierge.