CVE-2026-28253
published 2026-03-12CVE-2026-28253: A Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to…
PriorityP344high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.31%
22.3th percentile
A Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to cause a denial-of-service condition
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| trane | tracer_concierge | < v6.3.2310 | v6.3.2310 |
| trane | tracer_concierge | < 6.3.2310 | 6.3.2310 |
| trane | tracer_sc | < v4.4 SP7 | v4.4 SP7 |
| trane | tracer_sc | < v6.3.2310 | v6.3.2310 |
| trane | tracer_sc_+_firmware | < 6.3.2310 | 6.3.2310 |
| trane | tracer_sc_firmware | <= 4.4 | — |
| trane | tracer_sc_firmware | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv4.08.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/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:X/V:X/RE:X/U:X
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-c7pr-383r-xgg3: A Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attack
ghsa_unreviewed·2026-03-12
CVE-2026-28253 [HIGH] CWE-789 GHSA-c7pr-383r-xgg3: A Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attack
A Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to cause a denial-of-service condition
CISA ICS
Trane Tracer SC, Tracer SC+, and Tracer Concierge
cisa_ics·2026-03-12·CVSS 9.8
[CRITICAL] Trane Tracer SC, Tracer SC+, and Tracer Concierge
ICS Advisory
##
Trane Tracer SC, Tracer SC+, and Tracer Concierge
Release DateMarch 12, 2026
Alert CodeICSA-26-071-01
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
View CSAF
## Summary
Successful exploitation of these vulnerabilities could allow an attacker to disclose sensitive information, execute arbitrary commands, or perform a denial-of-service on the product.
The following versions of Trane Tracer SC, Tracer SC+, and Tracer Concierge are affected:
- Tracer SC
- Tracer SC+
- Tracer Concierge
CVSS
Vendor
Equipment
Vulnerabilities
| v3 8.1
| Trane
| Trane Tracer SC, Tracer SC+, and Tracer Concierge
| Use of a Broken or Risky Cryptographic Algorithm, Memory Allocation with Excessive Size Value, Missing Authoriza
No detection rules found.
No public exploits indexed.
2026-03-12
Published