{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-78225", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-09-08T16:53:35.715Z", "datePublished": "2026-09-15T21:29:44.304Z", "dateUpdated": "2026-09-24T21:37:04.294Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-09-24T21:37:04.294Z"}, "title": "W\u00e4rtsil\u00e4 FOS-Onboard Use of Hard-coded Cryptographic Key", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-321", "description": "CWE-321", "type": "CWE"}]}], "affected": [{"vendor": "W\u00e4rtsil\u00e4", "product": "FOS-Onboard", "versions": [{"status": "affected", "version": "5.07.0923.01"}, {"status": "unaffected", "version": "5.08.4052.01"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of W\u00e4rtsil\u00e4 FOS-Onboard.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of W\u00e4rtsil\u00e4 FOS-Onboard."}]}], "references": [{"url": "https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-02"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-02.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.5, "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"}}], "solutions": [{"lang": "en", "value": "W\u00e4rtsil\u00e4 states that the vulnerabilities are not exploitable when the product is installed as recommended and has developed a security patch. The patch (version 5.08.4052.01) can be found on the W\u00e4rtsil\u00e4 FOS download site https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads . Users can also contact W\u00e4rtsil\u00e4 https://www.wartsila.com/services-catalogue/engine-services-4-stroke/wartsila-ics-patch-deployment#contact to obtain and install the patch.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "W\u00e4rtsil\u00e4 states that the vulnerabilities are not exploitable when the product is installed as recommended and has developed a security patch. The patch (version 5.08.4052.01) can be found on the <a href=\"https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads\">W\u00e4rtsil\u00e4 FOS download site</a>. Users can also <a href=\"https://www.wartsila.com/services-catalogue/engine-services-4-stroke/wartsila-ics-patch-deployment#contact\">contact W\u00e4rtsil\u00e4</a> to obtain and install the patch."}]}], "credits": [{"lang": "en", "value": "Cydome Security Ltd reported this vulnerability to W\u00e4rtsil\u00e4 and CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-258-02", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-16T18:05:08.299979Z", "id": "CVE-2026-78225", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-16T18:05:16.902Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-78225", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-16T18:05:08.299979Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-16T18:05:12.653Z"}}], "cna": {"title": "W\u00e4rtsil\u00e4 FOS-Onboard Use of Hard-coded Cryptographic Key", "source": {"advisory": "ICSA-26-258-02", "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Cydome Security Ltd reported this vulnerability to W\u00e4rtsil\u00e4 and CISA."}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9, "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"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV4_0": {"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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "W\u00e4rtsil\u00e4", "product": "FOS-Onboard", "versions": [{"status": "affected", "version": "5.07.0923.01"}, {"status": "unaffected", "version": "5.08.4052.01"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "W\u00e4rtsil\u00e4 states that the vulnerabilities are not exploitable when the product is installed as recommended and has developed a security patch. The patch (version 5.08.4052.01) can be found on the W\u00e4rtsil\u00e4 FOS download site https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads . Users can also contact W\u00e4rtsil\u00e4 https://www.wartsila.com/services-catalogue/engine-services-4-stroke/wartsila-ics-patch-deployment#contact to obtain and install the patch.", "supportingMedia": [{"type": "text/html", "value": "W\u00e4rtsil\u00e4 states that the vulnerabilities are not exploitable when the product is installed as recommended and has developed a security patch. The patch (version 5.08.4052.01) can be found on the <a href=\"https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads\">W\u00e4rtsil\u00e4 FOS download site</a>. Users can also <a href=\"https://www.wartsila.com/services-catalogue/engine-services-4-stroke/wartsila-ics-patch-deployment#contact\">contact W\u00e4rtsil\u00e4</a> to obtain and install the patch.", "base64": false}]}], "references": [{"url": "https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads"}, {"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-258-02"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-258-02.json"}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of W\u00e4rtsil\u00e4 FOS-Onboard.", "supportingMedia": [{"type": "text/html", "value": "A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of W\u00e4rtsil\u00e4 FOS-Onboard.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-321", "description": "CWE-321"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-09-24T21:37:04.294Z"}}}, "cveMetadata": {"cveId": "CVE-2026-78225", "state": "PUBLISHED", "dateUpdated": "2026-09-24T21:37:04.294Z", "dateReserved": "2026-09-08T16:53:35.715Z", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "datePublished": "2026-09-15T21:29:44.304Z", "assignerShortName": "icscert"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "FOS-Onboard", "vendor": "W\u00e4rtsil\u00e4", "versions": [{"status": "affected", "version": "5.07.0923.01"}, {"status": "unaffected", "version": "5.08.4052.01"}]}], "source": "ics-cert@hq.dhs.gov"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of W\u00e4rtsil\u00e4 FOS-Onboard."}], "id": "CVE-2026-78225", "lastModified": "2026-09-24T22:17:01.720", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.5, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-78225", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-16T18:05:08.299979Z", "version": "2.0.3"}}]}, "published": "2026-09-15T22:17:02.870", "references": [{"source": "ics-cert@hq.dhs.gov", "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"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-321"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}

{}