# CVE-2025-71411

## Summary

- **CVE ID:** CVE-2025-71411
- **Severity:** MEDIUM
- **CVSS Score:** 6 (CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-770
- **Published:** Aug 7, 2026
- **Last Modified:** Aug 10, 2026

## Description

Broadcast control frames can disconnect multiple aircraft simultaneously leading to delayed clearances and air traffic controller overload. This type of attack can be carried out remotely over radio frequency.

## Affected Products

- ATN-B1 — CPDLC (All versions)

## References

- [CNA](https://www.cisa.gov/news-events/ics-advisories/icsa-26-219-01)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.20%
- **EPSS Percentile:** 10.0

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._