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CVE-2026-28256

MEDIUM CVSS 4.0: 6.9 EPSS 0.05%
Updated Mar 27, 2026
Trane
Parameter Value
CVSS 6.9 (MEDIUM)
Affected Versions before 6.3.2310
Fixed In 6.3.2310
Type CWE-547
Vendor Trane
Public PoC No

A Use of Hard-coded, Security-relevant Constants vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to disclose sensitive information and take over accounts.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 11

Configuration From (including) Up to (excluding)
Trane Tracer_Sc\+_Firmware
cpe:2.3:o:trane:tracer_sc\+_firmware:*:*:*:*:*:*:*:*
6.3.2310
Trane Tracer_Sc\+
cpe:2.3:h:trane:tracer_sc\+:*:*:*:*:*:*:*:*
Trane Tracer_Sc_Firmware
cpe:2.3:o:trane:tracer_sc_firmware:*:*:*:*:*:*:*:*
<= 4.4
Trane Tracer_Sc_Firmware
cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack1:*:*:*:*:*:*
Trane Tracer_Sc_Firmware
cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack2:*:*:*:*:*:*
Trane Tracer_Sc_Firmware
cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack3:*:*:*:*:*:*
Trane Tracer_Sc_Firmware
cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack4:*:*:*:*:*:*
Trane Tracer_Sc_Firmware
cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack5:*:*:*:*:*:*
Trane Tracer_Sc_Firmware
cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack6:*:*:*:*:*:*
Trane Tracer_Sc
cpe:2.3:h:trane:tracer_sc:*:*:*:*:*:*:*:*
Trane Tracer_Concierge
cpe:2.3:a:trane:tracer_concierge:*:*:*:*:*:*:*:*
6.3.2310