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CVE-2025-71413— In CPDLC, Malformed or Out of Sequence Frames Can Cause Resets

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存在异常处理不当漏洞，该漏洞源于航空甚高频链路控制X.25层的畸形或失序帧导致重复重

CVSS 5.3 · Medium EPSS 0.33% · P25

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
ATN-B1 CPDLC All versions affected
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I. Basic Information for CVE-2025-71413

Vulnerability Information
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Vulnerability Title
In CPDLC, Malformed or Out of Sequence Frames Can Cause Resets
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
Federal Aviation Administration ATN-B1 CPDLC 异常处理不当漏洞
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存在异常处理不当漏洞，该漏洞源于航空甚高频链路控制X.25层的畸形或失序帧导致重复重
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-2025-71413

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III. Intelligence Information for CVE-2025-71413

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Vendor Advisories for CVE-2025-71413 (1)

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

CVE-2025-71409 7.1 HIGH No Authentication for Very High Frequency Data Link messages used in CPDLC
CVE-2025-71412 7.1 HIGH In CPDLC, False Emergency or Status Messages Will be Accepted as Legitimate
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-754