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CVE-2026-28252

CRITICAL CVSS 4.0: 9.2 EPSS 0.03%
Updated Mar 27, 2026
Trane
Parameter Value
CVSS 9.2 (CRITICAL)
Affected Versions before 6.3.2310
Fixed In 6.3.2310
Type CWE-327 (Weak Crypto Algorithm)
Vendor Trane
Public PoC No

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.

Attack Parameters

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

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products 11

Configuration From (including) Up to (excluding)
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_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_Concierge
cpe:2.3:a:trane:tracer_concierge:*:*:*:*:*:*:*:*
6.3.2310