Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-71409— No Authentication for Very High Frequency Data Link messages used in CPDLC

Quick assessment

Affected
ATN-B1 CPDLC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Federal Aviation Administration ATN-B1 CPDLC是美国Federal Aviation Administration政府部门的Advisory Circular 90-117 Data Link Communications标准中的一种基于航空电信网（ATN）架构的标准化地空数据通信协议和系统。 Federal Aviation Administration ATN-B1 CPDLC存在授权问题漏洞，该漏洞源于缺乏对甚高频数据链消息的身份验证，可能允许恶意地面站通过

CVSS 7.1 · High EPSS 0.33% · P25

Affected Version Matrix 1

VendorProduct Version RangeStatus
ATN-B1 CPDLC All versions affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-71409

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
No Authentication for Very High Frequency Data Link messages used in CPDLC
Source: CVE Program / CVE List V5
Vulnerability Description
Lack of authentication for Very High Frequency Data Link messages allows rogue ground stations to inject CPDLC messages leading to unexpected or misleading clearances and potential pilot confusion. This type of attack can be carried out remotely over radio frequency.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Federal Aviation Administration ATN-B1 CPDLC 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Federal Aviation Administration ATN-B1 CPDLC是美国Federal Aviation Administration政府部门的Advisory Circular 90-117 Data Link Communications标准中的一种基于航空电信网（ATN）架构的标准化地空数据通信协议和系统。 Federal Aviation Administration ATN-B1 CPDLC存在授权问题漏洞，该漏洞源于缺乏对甚高频数据链消息的身份验证，可能允许恶意地面站通过
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ATN-B1 CPDLC All versions -

II. Public POCs for CVE-2025-71409

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-71409

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-71409 (1)

Same Patch Batch · ATN-B1 · 2026-08-07 · 5 CVEs total

CVE-2025-71412 7.1 HIGH In CPDLC, False Emergency or Status Messages Will be Accepted as Legitimate
CVE-2025-71413 5.3 MEDIUM In CPDLC, Malformed or Out of Sequence Frames Can Cause Resets
CVE-2025-71410 5.3 MEDIUM Malicious Link Control Frames Can Cause Loss of CPDLC Functions
CVE-2025-71411 5.3 MEDIUM In CPDLC, Broadcast Control Frames Can Disconnect Multiple Aircraft Simultaneously

IV. Related Vulnerabilities

Same product: CPDLC
Same vendor: ATN-B1
Same weakness: CWE-306

V. Comments for CVE-2025-71409

No comments yet

Leave a comment