{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-81531", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-08-26T22:31:50.287Z", "datePublished": "2026-09-08T16:53:18.786Z", "dateUpdated": "2026-09-08T17:21:54.913Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-09-08T16:53:18.786Z"}, "title": "Unauthenticated Account Information Disclosure in Multiple Omada Controllers", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-200", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-118", "descriptions": [{"lang": "en", "value": "CAPEC-118 Collect & Analyze Information"}]}], "affected": [{"vendor": "TP-Link System Inc.", "product": "Omada Software Controller", "platforms": ["Windows", "Linux"], "versions": [{"status": "affected", "version": "0", "lessThan": "6.3.0.44", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc.", "product": "OC200 V1", "versions": [{"status": "affected", "version": "0", "lessThan": "(UN)_V1_1.42.10 Build 20260825", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP Link Systems Inc.", "product": "OC200 v2", "versions": [{"status": "affected", "version": "0", "lessThan": "(UN)_V2_2.27.10 Build 20260825", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc", "product": "OC200 v3", "versions": [{"status": "affected", "version": "0", "lessThan": "(UN)_V3_3.4.10 Build 20260825", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc.", "product": "OC220 v1", "versions": [{"status": "affected", "version": "0", "lessThan": "(UN)_V1_1.7.10 Build 20260825", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc", "product": "OC220 v2", "versions": [{"status": "affected", "version": "0", "lessThan": "(UN)_V2_2.6.10 Build 20260825", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc.", "product": "OC300 v1", "versions": [{"status": "affected", "version": "0", "lessThan": "(UN)_V1_1.36.10 Build 20260825", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "TP-Link Systems Inc.", "product": "OC400 v1", "versions": [{"status": "affected", "version": "0", "lessThan": "(UN)_V1_1.14.10 Build 20260825", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An information\ndisclosure vulnerability has been identified in Omada Controller.\u00a0 An API endpoint intended for Controller initialization\nremains accessible after completion and may disclose account-related\ninformation to unauthenticated remote users.\u00a0\n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to remote query the affected endpoint that\nmay facilitate user enumeration and subsequent attacks targeting administrative\naccounts.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An information\ndisclosure vulnerability has been identified in Omada Controller.&nbsp; 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows", "Linux"], "product": "Omada Software Controller", "vendor": "TP-Link System Inc.", "versions": [{"lessThan": "6.3.0.44", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "OC200 V1", "vendor": "TP-Link Systems Inc.", "versions": [{"lessThan": "(UN)_V1_1.42.10 Build 20260825", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "OC200 v2", "vendor": "TP Link Systems Inc.", "versions": [{"lessThan": "(UN)_V2_2.27.10 Build 20260825", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "OC200 v3", "vendor": "TP-Link Systems Inc", "versions": [{"lessThan": "(UN)_V3_3.4.10 Build 20260825", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "OC220 v1", "vendor": "TP-Link Systems Inc.", "versions": [{"lessThan": "(UN)_V1_1.7.10 Build 20260825", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "OC220 v2", "vendor": "TP-Link Systems Inc", "versions": [{"lessThan": "(UN)_V2_2.6.10 Build 20260825", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "OC300 v1", "vendor": "TP-Link Systems Inc.", "versions": [{"lessThan": "(UN)_V1_1.36.10 Build 20260825", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "OC400 v1", "vendor": "TP-Link Systems Inc.", "versions": [{"lessThan": "(UN)_V1_1.14.10 Build 20260825", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An information\ndisclosure vulnerability has been identified in Omada Controller.\u00a0 An API endpoint intended for Controller initialization\nremains accessible after completion and may disclose account-related\ninformation to unauthenticated remote users.\u00a0\n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to remote query the affected endpoint that\nmay facilitate user enumeration and subsequent attacks targeting administrative\naccounts."}], "id": "CVE-2026-81531", "lastModified": "2026-09-08T17:18:32.833", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "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:N/PR:N/UI:N/VC:L/VI:N/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": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}]}, "published": "2026-09-08T17:18:32.833", "references": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://support.omadanetworks.com/en/download/software/omada-controller/"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://support.omadanetworks.com/us/document/133567/"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://support.omadanetworks.com/us/download/software/omada-controller/"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}]}

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