What is CVE-2025-71412?

CVE-2025-71412 is a high-severity vulnerability in Atn-B1 Cpdlc, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.1/10. Published 2026-08-07.

How severe is CVE-2025-71412?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Atn-B1 Cpdlc

CVE-2025-71412

Injection of false emergency or status messages over CPDLC may lead to misallocation of resources, operational confusion, and improper response actions by flight crews, traffic controllers, and ground operations. This type of attack can be carried out remotely over radio frequency.

Published 2026-08-07 · last modified 2026-09-29.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L.

EPSS exploit prediction

EPSS: 0.003 (23.1th percentile), scored 2026-11-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Atn-B1 Cpdlc — versions All versions

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

www.cisa.gov/news-events/ics-advisories/icsa-26-219-01 (third-party-advisory)

Frequently asked questions

What is CVE-2025-71412?: CVE-2025-71412 is a high-severity vulnerability in Atn-B1 Cpdlc, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.1/10. Published 2026-08-07.
How severe is CVE-2025-71412?: High severity. CVSS v3 base score is 7.1 out of 10.