Vulnerability in End-Of-Train And Head-Of-Train Remote Linking Protocol
CVE-2025-1727
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- End-Of-Train And Head-Of-Train Remote Linking Protocol — versions All versions
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-1727?
- CVE-2025-1727 is a high-severity vulnerability in End-Of-Train And Head-Of-Train Remote Linking Protocol, classified under Weak Authentication. CVSS score: 8.1/10. Published 2025-07-10.
- How severe is CVE-2025-1727?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2025-1727 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.