CVE-2025-71409
High
Description
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductCPDLC
PublishedAug 7, 2026
First seenAug 7, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ATN-B1 CPDLC | No range specified | — |
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