{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-9032", "assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "state": "PUBLISHED", "assignerShortName": "TPLink", "dateReserved": "2026-05-19T16:30:36.090Z", "datePublished": "2026-10-01T17:41:31.004Z", "dateUpdated": "2026-10-06T18:02:10.874Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "f23511db-6c3e-4e32-a477-6aa17d310630", "shortName": "TPLink", "dateUpdated": "2026-10-01T17:41:31.004Z" }, "title": "Unauthenticated Onboarding Connect NULL Pointer Dereference Denial of Service Vulnerability in TP-Link Tapo C120 & C200", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-476", "description": "CWE-476 NULL pointer dereference", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-100", "descriptions": [ { "lang": "en", "value": "CAPEC-100 Overflow Buffers" } ] } ], "affected": [ { "vendor": "TP-Link Systems Inc.", "product": "Tapo C200 V5", "versions": [ { "status": "affected", "version": "0", "lessThan": "V5_1.4.6 Build 260709 Rel.27675n", "versionType": "custom" } ], "defaultStatus": "unaffected" }, { "vendor": "TP-Link Systems Inc.", "product": "Tapo C120 V1", "versions": [ { "status": "affected", "version": "0", "lessThan": "V1_1.9.4 Build 260813 Rel.79754n", "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "Tapo C120 v1 and C200 v5\ncontain a NULL pointer dereference in the HTTPS onboarding connect request parser. The interface is reachable without\nauthentication after initial setup and does not validate that a password field\nis present for certain authentication and encryption parameter combinations,\nallowing a malformed request from the same local network to crash the HTTPS service\n\n\n\n\n\n\n\n\n\n\n Successful exploitation may\ntemporarily make HTTPS management functions unavailable. Repeated malformed\nrequests may sustain the denial-of-service condition, and recovery may in some\ncases require a device reboot.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "
Tapo C120 v1 and C200 v5\ncontain a NULL pointer dereference in the HTTPS onboarding connect request parser. The interface is reachable without\nauthentication after initial setup and does not validate that a password field\nis present for certain authentication and encryption parameter combinations,\nallowing a malformed request from the same local network to crash the HTTPS service\n
\n\n
Successful exploitation may\ntemporarily make HTTPS management functions unavailable. Repeated malformed\nrequests may sustain the denial-of-service condition, and recovery may in some\ncases require a device reboot.
" } ] } ], "references": [ { "url": "https://www.tp-link.com/us/support/download/tapo-c200/v5/#Firmware-Release-Notes", "tags": [ "patch" ] }, { "url": "https://www.tp-link.com/en/support/download/tapo-c200/v5/#Firmware-Release-Notes", "tags": [ "patch" ] }, { "url": "https://www.tp-link.com/us/support/download/tapo-c120/v1.26/#Firmware-Release-Notes", "tags": [ "patch" ] }, { "url": "https://www.tp-link.com/en/support/download/tapo-c120/v1.26/#Firmware-Release-Notes", "tags": [ "patch" ] }, { "url": "https://www.tp-link.com/us/support/faq/5321/", "tags": [ "vendor-advisory" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "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": "HIGH", "baseScore": 7.1, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" } } ], "credits": [ { "lang": "en", "value": "Thai Do (Lio) and Khoi Tran (KayTii) from OPSWAT", "type": "finder" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.5" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-06T18:01:56.089842Z", "id": "CVE-2026-9032", "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": "2026-10-06T18:02:10.874Z" } } ] } }