---
id: CVE-2025-71413
title: >-
  Malformed or out-of-sequence frames at the Aviation Very High Frequency Link
  Control X.25 layers cause repeated resets which may result in increased
  workload and reduced situational awareness
summary: >-
  Malformed or out-of-sequence frames at the Aviation Very High Frequency Link
  Control X.25 layers cause repeated resets which may result in increased
  workload and reduced situational awareness. This type of attack can be carried
  out remot…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-754
published: '2026-08-07'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:30:43.093'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-71413'
references:
  - url: 'https://www.cisa.gov/news-events/ics-advisories/icsa-26-219-01'
    label: ics-cert@hq.dhs.gov
tags:
  - nvd
epss: 0.00327
epssPercentile: 0.23183
ingestedAt: '2026-09-08T20:10:03.156Z'
---

## Overview

Malformed or out-of-sequence frames at the Aviation Very High Frequency Link Control X.25 layers cause repeated resets which may result in increased workload and reduced situational awareness. This type of attack can be carried out remotely over radio frequency.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.