Paper/Archive/CVE-2026-28252

CVE-2026-28252

Trane Tracer SC — Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge

EPSS 0.2%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 13.2.132 × 202.6 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Tracer SC< v4.4 SP7v4.4 SP7CNA

Tracer SC+< v6.3.2310v6.3.2310CNA

Tracer Concierge< v6.3.2310v6.3.2310CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

icscert (CNA)9.2CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refcisa.gov/news-events/ics-advisories/icsa-26-071-01