{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-82765", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2026-08-31T02:30:58.276Z", "datePublished": "2026-09-14T06:45:44.236Z", "dateUpdated": "2026-09-14T06:45:44.236Z"}, "containers": {"cna": {"affected": [{"vendor": "Contec Co., Ltd.", "product": "FXA5000", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.12.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXA5020", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.12.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXA5020-[][]", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.12.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXE5000", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.12.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXE5000-[][]", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.12.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXS5000-[][]", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.12.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXS5021", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.12.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXE4000", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.14.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXE4000-WP", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.14.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXS4000", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.14.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXS4020", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.14.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXA3000", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXA3000-[][]", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXA3020", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXA3020-[][]", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXA3200", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXA3200-[][]", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXE3000", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXE3000-[][]", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXE3000-WP", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}, {"vendor": "Contec Co., Ltd.", "product": "FXS300[]-CN", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.20.00"}]}], "descriptions": [{"lang": "en", "value": "Path traversal vulnerability exists in Contec FX5000 series, FX4000 series, and FX3000 series. 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "FXA5000", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.12.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXA5020", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.12.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXA5020-[][]", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.12.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXE5000", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.12.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXE5000-[][]", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.12.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXS5000-[][]", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.12.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXS5021", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.12.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXE4000", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.14.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXE4000-WP", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.14.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXS4000", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.14.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXS4020", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.14.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXA3000", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXA3000-[][]", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXA3020", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXA3020-[][]", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXA3200", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXA3200-[][]", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXE3000", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXE3000-[][]", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXE3000-WP", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "FXS300[]-CN", "vendor": "Contec Co., Ltd.", "versions": [{"lessThan": "1.20.00", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "vultures@jpcert.or.jp"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Path traversal vulnerability exists in Contec FX5000 series, FX4000 series, and FX3000 series. If this vulnerability is exploited, arbitrary files on the server may be viewed and/or altered by an attacker who can access the product via FTP."}], "id": "CVE-2026-82765", "lastModified": "2026-09-14T07:17:17.553", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "vultures@jpcert.or.jp", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vultures@jpcert.or.jp", "type": "Secondary"}]}, "published": "2026-09-14T07:17:17.553", "references": [{"source": "vultures@jpcert.or.jp", "url": "https://jvn.jp/en/vu/JVNVU99009004/"}, {"source": "vultures@jpcert.or.jp", "url": "https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_fl_26091000_en.pdf"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-23"}], "source": "vultures@jpcert.or.jp", "type": "Primary"}]}

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