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CVE-2025-1727— End-of-Train and Head-of-Train Remote Linking Protocol Weak Authentication

Quick assessment

Affected
End-of-Train and Head-of-Train remote linking protocol End-of-Train and Head-of-Train remote linking protocol
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AAR End-of-Train and Head-of-Train remote linking protocol是美国AAR公司的一个火车控制协议。 AAR End-of-Train and Head-of-Train remote linking protocol存在安全漏洞，该漏洞源于远程链接协议依赖BCH校验和，可能导致制动控制命令被恶意执行。

CVSS 8.1 · High EPSS 0.63% · P50
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I. Basic Information for CVE-2025-1727

Vulnerability Information
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Vulnerability Title
End-of-Train and Head-of-Train Remote Linking Protocol Weak Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
The protocol used for remote linking over RF for End-of-Train and Head-of-Train (also known as a FRED) relies on a BCH checksum for packet creation. It is possible to create these EoT and HoT packets with a software defined radio and issue brake control commands to the EoT device, disrupting operations or potentially overwhelming the brake systems.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1390
Source: CVE Program / CVE List V5
Vulnerability Title
AAR End-of-Train and Head-of-Train remote linking protocol 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AAR End-of-Train and Head-of-Train remote linking protocol是美国AAR公司的一个火车控制协议。 AAR End-of-Train and Head-of-Train remote linking protocol存在安全漏洞，该漏洞源于远程链接协议依赖BCH校验和，可能导致制动控制命令被恶意执行。
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
End-of-Train and Head-of-Train remote linking protocol End-of-Train and Head-of-Train remote linking protocol All versions -

II. Public POCs for CVE-2025-1727

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III. Intelligence Information for CVE-2025-1727

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IV. Related Vulnerabilities

Same weakness: CWE-1390