CVE-2025-71411 | BDVDB-2026-356182 Detail

ATN-B1CPDLC

Description#

Broadcast control frames can disconnect multiple aircraft simultaneously leading to delayed clearances and air traffic controller overload. This type of attack can be carried out remotely over radio frequency.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-770

References#

https://www.cisa.gov/news-events/ics-advisories/icsa-26-219-01

Exploit#

No public exploit known

History#

Version 12026-08-07Record published in the CVE List.
Version 22026-08-10Most recent update recorded in the CVE List.

Published

Published: 2026-08-07
Last modified: 2026-08-10

Vendor information

Vendor: ATN-B1
Product: CPDLC

All ATN-B1 vulnerabilities

Score

5.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 26.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
All versions
Fixed
Not stated

Scoring System

CVSS v4.0

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Attack Requirements	None
Privileges Required	Low
User Interaction	None
Vulnerable System Confidentiality	None
Vulnerable System Integrity	None
Vulnerable System Availability	High
Subsequent System Confidentiality	None
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

5.3 Medium

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).