# CVE-2025-71410

## Summary

- **CVE ID:** CVE-2025-71410
- **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

Unnumbered Disconnect (U DISC) and malformed Aviation Very High Frequency Link Control frames can terminate sessions and lead to a loss of CPDLC functions requiring a reversion to voice communication and increased controller workload. 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:** 9.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._