{ "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": "Wärtsilä FOS-Onboard Use of Hard-coded Cryptographic Key", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-321", "description": "CWE-321", "type": "CWE" } ] } ], "affected": [ { "vendor": "Wärtsilä", "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 Wärtsilä FOS-Onboard.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "A hardcoded cryptographic server key vulnerability exists in the deployer-ng Update Controller component of Wärtsilä 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": "Wärtsilä 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 Wärtsilä FOS download site https://www.wartsila.com/marine/products/data-service-downloads/fos-downloads . Users can also contact Wärtsilä 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": "Wärtsilä 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 Wärtsilä FOS download site. Users can also contact Wärtsilä to obtain and install the patch." } ] } ], "credits": [ { "lang": "en", "value": "Cydome Security Ltd reported this vulnerability to Wärtsilä 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" } } ] } }