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CVE-2026-78225— Wärtsilä FOS-Onboard Use of Hard-coded Cryptographic Key

Quick assessment

Affected
Wärtsilä FOS-Onboard
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.

Wärtsilä FOS-Onboard 的 deployer-ng Update Controller 组件中，存在硬编码的加密服务器密钥漏洞。

CVSS 9.0 · Critical

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials
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I. Basic Information for CVE-2026-78225

Vulnerability Information
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Vulnerability Title
Wärtsilä FOS-Onboard Use of Hard-coded Cryptographic Key
Source: CVE Program / CVE List V5
Vulnerability Description
A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of Wärtsilä FOS-Onboard.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wärtsilä FOS-Onboard 5.07.0923.01 -

II. Public POCs for CVE-2026-78225

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III. Intelligence Information for CVE-2026-78225

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Vendor Advisories for CVE-2026-78225 (2)

Vendor Pages for CVE-2026-78225 (1)

IV. Related Vulnerabilities

Same product: FOS-Onboard
Same vendor: Wärtsilä
Same weakness: CWE-321

V. Comments for CVE-2026-78225

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