FA-50 all versions miss authentication for some configuration.
An attacker with access to the vessel's internal network can manipulate the product's settings screen to alter some configuration parameters.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
FURUNO ELECTRIC CO., LTD. FA-50 affected
Version Status Constraints
all affected —

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/vu/JVNVU95422936/ cve-icon cve-icon
https://www.furuno.co.jp/en/news/notice/notice_category.html?itemid=1857&dispmid=965 cve-icon cve-icon
https://www.furuno.co.jp/news/notice/notice_category.html?itemid=1856&dispmid=1039 cve-icon cve-icon
History

Tue, 25 Aug 2026 10:00:00 +0000

Type Values Removed Values Added
Title FA‑50 Authentication Bypass Allowing Configuration Changes via Internal Network

Tue, 25 Aug 2026 08:00:00 +0000

Type Values Removed Values Added
Description FA-50 all versions miss authentication for some configuration. An attacker with access to the vessel's internal network can manipulate the product's settings screen to alter some configuration parameters.
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-08-25T07:42:26.438Z

Reserved: 2026-08-04T01:31:35.564Z

Link: CVE-2026-67578

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-25T08:18:10.360

Modified: 2026-08-25T08:18:10.360

Link: CVE-2026-67578

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-25T09:45:03Z

Weaknesses