CVE-2025-71410
Malicious Link Control Frames Can Cause Loss of CPDLC Functions
- State
- Published
- Severity
- 6.0 Medium
- Published
- Aug 7, 2026
- Updated
- Aug 10, 2026
- Reserved
- Aug 4, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.0 Medium | 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 | icscert |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H | icscert |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
CPDLCATN-B1 |
|
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-219-01third-party-advisory
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