← Vulnerability feed

Vulnerability record · CVE-2026-28252 · published 12 March 2026

CVE-2026-28252: Trane tracer sc firmware broken cryptographic algorithm vulnerability

Trane · Tracer Sc Firmware

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.

9.2 CVSS 4.0 Critical EPSS 0.35% · top 74.2% CWE-327 · Broken cryptographic algorithm
9.2CVSS 4.0 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01 Third Party AdvisoryUS Government Resource

Track CVE-2026-28252 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-38450Trane tracer concierge code injection vulnerabilityThe affected controllers do not properly sanitize the input containing code syntax. As a result, an attacker could craft code to alter the intended c…EPSS 1.0%8.7CVE-2026-28253Trane tracer sc firmware vulnerabilityA Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attac…EPSS 0.49%8.2CVE-2026-28255Trane tracer sc firmware hard-coded credentials vulnerabilityA Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to disclose sensitive info…EPSS 0.48%6.9CVE-2026-28254Trane tracer sc firmware missing authorization vulnerabilityA Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to access sensitiv…EPSS 0.42%6.9CVE-2026-28256Trane tracer sc\+ firmware vulnerabilityA Use of Hard-coded, Security-relevant Constants vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to disclo…EPSS 0.44%6.1CVE-2021-42534Trane tracer sc firmware cross-site scripting vulnerabilityThe affected product’s web application does not properly neutralize the input during webpage generation, which could allow an attacker to inject code…EPSS 0.61%

Source: NIST National Vulnerability Database (record CVE-2026-28252), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.