CVE-2025-71410: medium-severity vulnerability in ATN-B1 CPDLC
Malicious Link Control Frames Can Cause Loss of CPDLC Functions
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6epss 0.3%
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.
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
Affected products
ATN-B1 · CPDLCRelated CVEs — ATN-B1 CPDLC
In the same product, most dangerous first.
CVE-2025-71409HIGHNo Authentication for Very High Frequency Data Link messages used in CPDLCEPSS 0.3%CVE-2025-71411MEDIUMIn CPDLC, Broadcast Control Frames Can Disconnect Multiple Aircraft SimultaneouslyEPSS 0.3%CVE-2025-71413MEDIUMIn CPDLC, Malformed or Out of Sequence Frames Can Cause ResetsEPSS 0.3%CVE-2025-71412HIGHIn CPDLC, False Emergency or Status Messages Will be Accepted as LegitimateEPSS 0.3%