CVE-2025-1727
HIGHDescription
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.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Exploit Intelligence
Moderate risk: more likely to be exploited than 47% of all known CVEs.
References
Related Vulnerabilities
Other CWE-1390 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2025-40554 | Critical | 9.8 | 58% | - | Fix |
| CVE-2025-40552 | Critical | 9.8 | 50% | - | Fix |
| CVE-2026-55040 | Critical | 9.1 | 40% | KEV | Fix |
| CVE-2025-27740 | High | 8.8 | 3.3% | - | Fix |
| CVE-2024-49019 | High | 7.8 | 2.0% | - | Fix |
| CVE-2024-38239 | High | 7.2 | 1.7% | - | Fix |
Common questions
How do I fix CVE-2025-1727?
No published fix for CVE-2025-1727 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2025-1727 being actively exploited?
Not that we know of. CVE-2025-1727 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.63% is the estimated probability that it will be exploited in the next 30 days. That is higher than 47% of all scored CVEs.
How severe is CVE-2025-1727?
CVE-2025-1727 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-15.