Vulnerability · Published Mar 12, 2026 · Assigned by icscert
CVE-2026-28252Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
Critical 9.2
In plain English
A critical-severity broken cryptography in Tracer Concierge from Trane. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.2%top 86.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Trane | Tracer SC | 0 – before v4.4 SP7 |
| Trane | Tracer SC+ | 0 – before v6.3.2310 |
| Trane | Tracer Concierge | 0 – before v6.3.2310 |
Weakness: CWE-327 · Vector: 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
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01 government-resource