CVE-2026-28252

9.2 criticalEPSS 0.2%

Critical (9.2) in trane. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.2 critical

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
CWE: CWE-327
Published: 2026-03-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

trane:tracer_concierge
trane:tracer_sc\+_firmware
trane:tracer_sc_firmware

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01

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