Description
Malformed or out-of-sequence frames at the Aviation Very High Frequency Link Control X.25 layers cause repeated resets which may result in increased workload and reduced situational awareness. This type of attack can be carried out remotely over radio frequency.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ATN-B1 | CPDLC | All versions | — |
Advisories 1
- ICSA-26-219-01 CPDLC over ATN-B1 Vulnerabilities CISA ICS & IT advisories · Aug 7, 2026
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-219-01 third-party-advisory