ATN-B1 CPDLC

• CVE-2025-71409 High 7.1 No Authentication for Very High Frequency Data Link messages used in CPDLC 0.3%
• CVE-2025-71410 Medium 5.3 Malicious Link Control Frames Can Cause Loss of CPDLC Functions 0.3%
• CVE-2025-71411 Medium 5.3 In CPDLC, Broadcast Control Frames Can Disconnect Multiple Aircraft Simultaneously 0.3%
• CVE-2025-71412 High 7.1 In CPDLC, False Emergency or Status Messages Will be Accepted as Legitimate 0.3%
• CVE-2025-71413 Medium 5.3 In CPDLC, Malformed or Out of Sequence Frames Can Cause Resets 0.3%