{"id":"CVE-2026-104945","state":"PUBLISHED","title":"Authenticated ONVIF PTZ Out-of-Bounds Stack Write Denial of Service in TP-Link Tapo C500","description":"TP-Link Tapo\nC500 v2.0 contains an out-of-bounds stack write vulnerability in its ONVIF PTZ\nSOAP handlers. An authenticated ONVIF client can submit an excessive number of\npreset-related elements, causing writes beyond the bounds of fixed-size stack\narrays and resulting in a crash of the affected service.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow an authenticated attacker to cause the affected service\nto crash, resulting in a denial-of-service condition. Repeated exploitation may\nrepeatedly disrupt camera management and PTZ-related functionality until the\nservice recovers or restarts.","publishedAt":"2026-10-06T18:41:13.133Z","updatedAt":"2026-10-07T14:03:55.985Z","severity":{"score":6.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"TPLink"},"assigner":"TPLink","products":["TP-Link Systems Inc. Tapo C500 v2.0"],"affected":[{"vendor":"TP-Link Systems Inc.","product":"Tapo C500 v2.0","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.3.5 Build 260810","versionType":"custom"}]}],"references":["https://www.tp-link.com/us/support/download/tapo-c500/#Firmware-Release-Notes","https://www.tp-link.com/en/support/download/tapo-c500/#Firmware-Release-Notes","https://www.tp-link.com/us/support/faq/5327/"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/104xxx/CVE-2026-104945.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104945","state":"PUBLISHED","datePublished":"2026-10-06T18:41:13.133Z","dateUpdated":"2026-10-07T14:03:55.985Z","assignerShortName":"TPLink","assignerOrgId":"f23511db-6c3e-4e32-a477-6aa17d310630","dateReserved":"2026-10-02T17:39:51.763Z"},"containers":{"cna":{"title":"Authenticated ONVIF PTZ Out-of-Bounds Stack Write Denial of Service in TP-Link Tapo C500","descriptions":[{"lang":"en","value":"TP-Link Tapo\nC500 v2.0 contains an out-of-bounds stack write vulnerability in its ONVIF PTZ\nSOAP handlers. An authenticated ONVIF client can submit an excessive number of\npreset-related elements, causing writes beyond the bounds of fixed-size stack\narrays and resulting in a crash of the affected service.\n\n\n\n\n\n\n\n\n\nSuccessful\nexploitation may allow an authenticated attacker to cause the affected service\nto crash, resulting in a denial-of-service condition. Repeated exploitation may\nrepeatedly disrupt camera management and PTZ-related functionality until the\nservice recovers or restarts."}],"affected":[{"vendor":"TP-Link Systems Inc.","product":"Tapo C500 v2.0","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.3.5 Build 260810","versionType":"custom"}]}],"references":[{"url":"https://www.tp-link.com/us/support/download/tapo-c500/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/en/support/download/tapo-c500/#Firmware-Release-Notes","tags":["patch"]},{"url":"https://www.tp-link.com/us/support/faq/5327/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","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":"MEDIUM","baseScore":6.8,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","lang":"en","description":"CWE-121 Stack-based buffer overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"TPLink","orgId":"f23511db-6c3e-4e32-a477-6aa17d310630","dateUpdated":"2026-10-06T18:41:13.133Z"},"impacts":[{"capecId":"CAPEC-100","descriptions":[{"lang":"en","value":"CAPEC-100 Overflow Buffers"}]}],"credits":[{"lang":"en","value":"Anastasios Kaltakis","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-07T14:03:36.570769Z","id":"CVE-2026-104945","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-07T14:03:55.985Z"}}]}}}