CVE-2025-71409: No Authentication for Very High Frequency Data Link messages used in CPDLC

Published Aug 7, 2026
·
Updated

Lack of authentication for Very High Frequency Data Link messages allows rogue ground stations to inject CPDLC messages leading to unexpected or misleading clearances and potential pilot confusion. This type of attack can be carried out remotely over radio frequency.

Affected Software

1 affected component
Very High Frequency Data Link messages used in CPDLC

Event History

Aug 7, 2026
CVE Published
via MITRE·07:02 PM
Data Sourced
via MITRE·07:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:17 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What type of vulnerability is CVE-2025-71409?

CVE-2025-71409 is a high-severity vulnerability categorized as a lack of authentication for Very High Frequency Data Link messages.

2

What are the potential consequences of CVE-2025-71409?

The vulnerability can allow rogue ground stations to inject misleading CPDLC messages, leading to pilot confusion and operational risks.

3

How can organizations mitigate CVE-2025-71409?

Organizations can mitigate CVE-2025-71409 by implementing authentication mechanisms for Very High Frequency Data Link messages.

4

Who is affected by CVE-2025-71409?

CVE-2025-71409 primarily affects aviation and air traffic management systems that utilize CPDLC communication.

5

What is the severity score of CVE-2025-71409?

The severity score of CVE-2025-71409 is 7.1, classified as high.

Contact

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