Critical 9.2Published Mar 12, 2026

CVE-2026-28252Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge

Updated under an hour ago (Oct 27, 2026, 12:40 AM ET)

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It affects Trane Tracer SC and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Trane Tracer SC

Exploited in the last 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.

CVSS: 9.2 CRITICAL (v4.0, CNA)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
Weakness (CWE): CWE-327
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: icscert
NVD analysis: Analyzed
Record last updated: Mar 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Trane Tracer SC trane:tracer_sc (from the name)	before v4.4 SP7	CNA record
Trane Tracer SC+ trane:tracer_sc+ (from the name)	before v6.3.2310	CNA record
Trane Tracer Concierge trane:tracer_concierge (from the name)	before v6.3.2310	CNA record
trane tracer_sc_firmware trane:tracer_sc_firmware	through 4.4; 4.4; 4.4; 4.4; 4.4; 4.4; 4.4	NVD
trane tracer_sc+_firmware trane:tracer_sc+_firmware	before 6.3.2310	NVD
trane tracer_concierge trane:tracer_concierge	before 6.3.2310	NVD

References

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01	government-resource, third-party-advisory, us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.