CVE-2025-1727

End-of-Train and Head-of-Train Remote Linking Protocol Weak Authentication

HIGH
8.1
CVSS Score
Published: July 10, 2025 at 10:59 PM UTC
Updated: June 17, 2026 at 08:39 AM UTC
1 product affected across 1 vendorEnd-of-Train / Head-of-Train Remote Linking Protocol

Using End-of-Train and Head-of-Train remote linking protocol by End-of-Train and Head-of-Train remote linking protocol?

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Severity
HIGH8.1
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHicscert
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1390

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