CVE-2026-100420

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-100420", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-09-25T20:37:34.701Z", "datePublished": "2026-10-21T23:04:28.083Z", "dateUpdated": "2026-10-30T17:29:22.081Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-10-21T23:04:28.083Z"}, "title": "Information disclosure vulnerability in the cloud-client daemon of Deco BE63", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-202", "description": "CWE-202 Exposure of sensitive information through data queries", "type": "CWE"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "product": "Deco BE63 V2.0", "modules": ["cloud-client"], "versions": [{"status": "affected", "version": "0", "lessThan": "1.3.3 Build 26071612", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A sensitive information disclosure vulnerability in the cloud-client daemon of Deco BE63 allows authenticated attackers to retrieve the plaintext TP-Link ID account password.\u00a0\n\nSuccessful exploitation may allow attackers to compromise the associated cloud account and perform unauthorized actions on behalf of the affected user.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>A sensitive information disclosure vulnerability in the <code>cloud-client</code> daemon of Deco BE63 allows authenticated attackers to retrieve the plaintext TP-Link ID account password.&nbsp;</div><div>Successful exploitation may allow attackers to compromise the associated cloud account and perform unauthorized actions on behalf of the affected user.</div>"}]}], "references": [{"url": "https://www.tp-link.com/us/support/download/deco-be63/v2.60/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/us/support/faq/5357/", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "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": "MEDIUM", "baseScore": 6.8, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-30T17:28:50.172649Z", "id": "CVE-2026-100420", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-30T17:29:22.081Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-100420", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-30T17:28:50.172649Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-30T17:29:06.249Z"}}], "cna": {"title": "Information disclosure vulnerability in the cloud-client daemon of Deco BE63", "source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.8, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "TP-Link Systems Inc.", "modules": ["cloud-client"], "product": "Deco BE63 V2.0", "versions": [{"status": "affected", "version": "0", "lessThan": "1.3.3 Build 26071612", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.tp-link.com/us/support/download/deco-be63/v2.60/#Firmware", "tags": ["patch"]}, {"url": "https://www.tp-link.com/us/support/faq/5357/", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "A sensitive information disclosure vulnerability in the cloud-client daemon of Deco BE63 allows authenticated attackers to retrieve the plaintext TP-Link ID account password.\u00a0\n\nSuccessful exploitation may allow attackers to compromise the associated cloud account and perform unauthorized actions on behalf of the affected user.", "supportingMedia": [{"type": "text/html", "value": "<div>A sensitive information disclosure vulnerability in the <code>cloud-client</code> daemon of Deco BE63 allows authenticated attackers to retrieve the plaintext TP-Link ID account password.&nbsp;</div><div>Successful exploitation may allow attackers to compromise the associated cloud account and perform unauthorized actions on behalf of the affected user.</div>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-202", "description": "CWE-202 Exposure of sensitive information through data queries"}]}], "providerMetadata": {"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-10-21T23:04:28.083Z"}}}, "cveMetadata": {"cveId": "CVE-2026-100420", "state": "PUBLISHED", "dateUpdated": "2026-10-30T17:29:22.081Z", "dateReserved": "2026-09-25T20:37:34.701Z", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "datePublished": "2026-10-21T23:04:28.083Z", "assignerShortName": "TPLink"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["cloud-client"], "product": "Deco BE63 V2.0", "vendor": "TP-Link Systems Inc.", "versions": [{"lessThan": "1.3.3 Build 26071612", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A sensitive information disclosure vulnerability in the cloud-client daemon of Deco BE63 allows authenticated attackers to retrieve the plaintext TP-Link ID account password.\u00a0\n\nSuccessful exploitation may allow attackers to compromise the associated cloud account and perform unauthorized actions on behalf of the affected user."}], "id": "CVE-2026-100420", "lastModified": "2026-10-30T18:17:14.180", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.8, "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/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": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-100420", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-30T17:28:50.172649Z", "version": "2.0.3"}}]}, "published": "2026-10-21T23:17:23.053", "references": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/us/support/download/deco-be63/v2.60/#Firmware"}, {"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "url": "https://www.tp-link.com/us/support/faq/5357/"}], "sourceIdentifier": "f23511db-6c3e-4e32-a477-6aa17d310630", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-202"}], "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.3.3 Build 26071612)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Deco BE63 V2.0", "source": "cna", "vendor": "TP-Link Systems Inc."}, "product": "deco_be63", "vendor": "tp-link"}], "created": "2026-10-22T00:45:14.789290+00:00", "updated": "2026-10-22T10:40:17.466625+00:00", "vendors": ["tp-link", "tp-link$PRODUCT$deco_be63"]}