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CVE-2025-71410

Malicious Link Control Frames Can Cause Loss of CPDLC Functions

MEDIUM
5.3
CVSS Score
Published: August 7, 2026 at 07:02 PM UTC
Updated: September 29, 2026 at 11:10 AM UTC
1 product affected across 1 vendorCPDLC

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CPDLC· Atn B1
60%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: cverecord
https://www.cisa.gov/news-events/ics-advisories/icsa-26-219-01

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMicscert
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-770

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