{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0919","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","state":"PUBLISHED","assignerShortName":"TPLink","dateReserved":"2026-01-13T19:44:02.718Z","datePublished":"2026-01-27T17:52:39.170Z","dateUpdated":"2026-04-29T16:14:38.524Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","shortName":"TPLink","dateUpdated":"2026-04-29T16:14:38.524Z"},"title":"Unauthenticated Denial of Service via Oversized URL in HTTP Parser on TP-Link Tapo C210, C220 & C520WS","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-20","description":"CWE-20 Improper Input Validation","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-153","descriptions":[{"lang":"en","value":"CAPEC-153 Input Data Manipulation"}]}],"affected":[{"vendor":"TP-Link Systems Inc.","product":"Tapo C220 v1","modules":["http service"],"versions":[{"status":"affected","version":"0","lessThan":"1.4.2 Build 251112","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP-Link Systems Inc.","product":"Tapo C520WS v2","versions":[{"status":"affected","version":"0","lessThan":"1.2.3 Build 251114","versionType":"custom"}],"defaultStatus":"unaffected"},{"vendor":"TP Link Systems Inc.","product":"Tapo C210 v3","versions":[{"status":"affected","version":"0","lessThan":"1.2.6 Build 260328","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The HTTP parser of Tapo C210 v3, C220 v1 and C520WS v2 cameras improperly handles requests containing an excessively long URL path. An invalid‑URL error path continues into cleanup code that assumes allocated buffers exist, leading to a crash and service restart. An unauthenticated attacker can force repeated service crashes or device reboots, causing denial of service.","supportingMedia":[{"type":"text/html","base64":false,"value":"The HTTP parser of Tapo C210 v3, C220 v1 and C520WS v2 cameras improperly handles requests containing an excessively long URL path. An invalid‑URL error path continues into cleanup code that assumes allocated buffers exist, leading to a crash and service restart. An unauthenticated attacker can force repeated service crashes or device reboots, causing denial of service."}]}],"references":[{"url":"https://www.tp-link.com/us/support/download/tapo-c220/v1.60/","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tapo-c220/v1/","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/download/tapo-c520ws/v2/","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tapo-c520ws/v2/","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/faq/4923/","tags":["vendor-advisory"]},{"url":"https://www.tp-link.com/us/support/download/tapo-c210/v3/","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tapo-c210/v3/","tags":["patch"]}],"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":"Diogo Almeida @NeWbie","type":"finder"},{"lang":"en","value":"Giuseppe Signorelli","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-27T18:08:59.269424Z","id":"CVE-2026-0919","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":"2026-01-27T18:10:00.577Z"}}]}}