CVE-2026-78225

A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of Wärtsilä FOS-Onboard.

CVSS v3 9.0 CRITICAL

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-02.json
https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-02
https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads

Configurations

No configuration.

History

24 Sep 2026, 22:17

Type	Values Removed	Values Added
References	~~{'url': 'https://www.wartsila.com/services-catalogue/engine-services-4-stroke/wartsila-ics-patch-deployment#contact', 'source': 'ics-cert@hq.dhs.gov'}~~	() https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads -

Information

Published : 2026-09-15 22:17

Updated : 2026-09-24 22:17

NVD link : CVE-2026-78225

Mitre link : CVE-2026-78225

CVE.ORG link : CVE-2026-78225

JSON object : View

Products Affected

No product.

CWE

CWE-321

Use of Hard-coded Cryptographic Key

{"id": "CVE-2026-78225", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-78225", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-16T18:05:08.299979Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.2}], "cvssMetricV40": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.5, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "ics-cert@hq.dhs.gov", "affectedData": [{"vendor": "W\u00e4rtsil\u00e4", "product": "FOS-Onboard", "versions": [{"status": "affected", "version": "5.07.0923.01"}, {"status": "unaffected", "version": "5.08.4052.01"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-15T22:17:02.870", "references": [{"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-02.json", "source": "ics-cert@hq.dhs.gov"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-02", "source": "ics-cert@hq.dhs.gov"}, {"url": "https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads", "source": "ics-cert@hq.dhs.gov"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-321"}]}], "descriptions": [{"lang": "en", "value": "A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of W\u00e4rtsil\u00e4 FOS-Onboard."}], "lastModified": "2026-09-24T22:17:01.720", "sourceIdentifier": "ics-cert@hq.dhs.gov"}