Simultaneous Disconnection of Multiple Aircraft via Broadcast Control Frames
CVE:
CVE-2025-71411
Product: ATN-B1 / CPDLC (Controller-Pilot Data Link Communications)
Severity: Medium 5.3
Published: 07.08.2026
Advisory:
Read the advisory
Broadcast control frames in CPDLC over ATN-B1 can disconnect multiple aircraft simultaneously (CWE-770). Carried out remotely over radio frequency, this leads to delayed clearances and air traffic controller overload.
CISA ICS advisory: ICSA-26-219-01.