CVE-2026-28253— Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
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I. Basic Information for CVE-2026-28253
Vulnerability Information
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Vulnerability Title
Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
Source: NVD (National Vulnerability Database)
Vulnerability Description
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
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的内存分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Trane多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Trane Tracer SC等都是美国Trane公司的产品。Trane Tracer SC是一个监控与自动化管理的楼宇控制器。Trane Tracer SC+是一个监控与自动化管理的楼宇控制器。Trane Tracer Concierge是一个监控和管理建筑暖通空调设备运行状态的楼宇管理软件。 Trane多款产品存在安全漏洞，该漏洞源于内存分配值过大，可能导致未经身份验证的攻击者造成拒绝服务。以下产品受到影响：Trane Tracer SC、Tracer SC+和Tracer Concierge。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Trane | Tracer SC | 0 ~ v4.4 SP7 | - | |
| Trane | Tracer SC+ | 0 ~ v6.3.2310 | - | |
| Trane | Tracer Concierge | 0 ~ v6.3.2310 | - |
II. Public POCs for CVE-2026-28253
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Trane Tracer SC, Tracer SC+, and Tracer Concierge | CISAgovernment-resource
- https://nvd.nist.gov/vuln/detail/CVE-2026-28253
Same Patch Batch · Trane · 2026-03-12 · 5 CVEs total
| CVE-2026-28252 | Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer | |
| CVE-2026-28254 | Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge | |
| CVE-2026-28255 | Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Con | |
| CVE-2026-28256 | Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Con |
IV. Related Vulnerabilities
Same product: Tracer SC
- CVE-2026-28256
Use of Hard-coded Credentials vulnerability in Trane Tracer - CVE-2026-28255
Use of Hard-coded Credentials vulnerability in Trane Tracer - CVE-2026-28254
Missing Authorization vulnerability in Trane Tracer SC, Trac - CVE-2026-28252
Use of a Broken or Risky Cryptographic Algorithm vulnerabili - CVE-2021-38450
Trane Tracer Code Injection
Same vendor: Trane
- CVE-2026-28256
Use of Hard-coded Credentials vulnerability in Trane Tracer - CVE-2026-28255
Use of Hard-coded Credentials vulnerability in Trane Tracer - CVE-2026-28254
Missing Authorization vulnerability in Trane Tracer SC, Trac - CVE-2026-28252
Use of a Broken or Risky Cryptographic Algorithm vulnerabili - CVE-2021-38448
Trane Symbio Improper Control of Generation of Code
Same weakness: CWE-789
- CVE-2021-47944
memono Notepad 4.2 Denial of Service via Buffer Overflow - CVE-2026-42241
ParquetSharp: Possible Stack Overflow When Reading a Parquet - CVE-2026-43868
Apache Thrift: Rust implementation vulnerable to CVE-2020-13 - CVE-2026-42146
CImg Library: Uncontrolled memory allocation via nb_colors f - CVE-2026-42440
Apache OpenNLP: OOM DoS via Unbounded Array Allocation in Ab
V. Comments for CVE-2026-28253
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