{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-53869", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2025-11-18T23:31:03.274Z", "datePublished": "2026-01-29T02:40:57.255Z", "dateUpdated": "2026-01-29T02:40:57.255Z"}, "containers": {"cna": {"affected": [{"vendor": "Brother Industries, Ltd.", "product": "Multiple MFPs", "versions": [{"version": "see the information provided by the vendor", "status": "affected"}]}, {"vendor": "Konica Minolta, Inc.", "product": "Multiple MFPs", "versions": [{"version": "see the information provided by the vendor", "status": "affected"}]}, {"vendor": "Ricoh Company, Ltd.", "product": "Multiple MFPs", "versions": [{"version": "see the information provided by the vendor", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "Multiple MFPs provided by Brother Industries, Ltd. does not properly validate server certificates, which may allow a man-in-the-middle attacker to replace the set of root certificates used by the product with a set of arbitrary certificates."}], "problemTypes": [{"descriptions": [{"description": "Improper certificate validation", "lang": "en-US", "cweId": "CWE-295", "type": "CWE"}]}], "references": [{"url": "https://faq.brother.co.jp/app/answers/detail/a_id/13716"}, {"url": "https://www.konicaminolta.com/global-en/security/advisory/pdf/km-2026-0001.pdf"}, {"url": "https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2026-000001"}, {"url": "https://jvn.jp/en/vu/JVNVU92878805/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "LOW", "baseScore": 3.7, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV4_0": {"version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2026-01-29T02:40:57.255Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple MFPs provided by Brother Industries, Ltd. does not properly validate server certificates, which may allow a man-in-the-middle attacker to replace the set of root certificates used by the product with a set of arbitrary certificates."}], "id": "CVE-2025-53869", "lastModified": "2026-01-29T04:15:51.887", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "vultures@jpcert.or.jp", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "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": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/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": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vultures@jpcert.or.jp", "type": "Secondary"}]}, "published": "2026-01-29T04:15:51.887", "references": [{"source": "vultures@jpcert.or.jp", "url": "https://faq.brother.co.jp/app/answers/detail/a_id/13716"}, {"source": "vultures@jpcert.or.jp", "url": "https://jvn.jp/en/vu/JVNVU92878805/"}, {"source": "vultures@jpcert.or.jp", "url": "https://www.konicaminolta.com/global-en/security/advisory/pdf/km-2026-0001.pdf"}, {"source": "vultures@jpcert.or.jp", "url": "https://www.ricoh.com/products/security/vulnerabilities/vul?id=ricoh-2026-000001"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "vultures@jpcert.or.jp", "type": "Primary"}]}

{}

{}