CVE-2025-71413

MEDIUM CVSS 4.0: 6.0 EPSS 0.20%
Updated Aug 11, 2026
Atn-B1
Parameter Value
CVSS 6.0 (MEDIUM)
Type CWE-754
Vendor Atn-B1
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products

atn-b1:cpdlc