{"id":"CVE-2026-71265","state":"PUBLISHED","title":"Domoticz MochadTCP Stack Buffer Overflow via MOCHAD_RFSEC strcpy()","description":"Domoticz's MochadTCP::MatchLine handler for MOCHAD_RFSEC messages (hardware/MochadTCP.cpp) copies network-received data from the up-to-1028-byte m_mochadbuffer into a fixed 50-byte stack buffer tempRFSECbuf using strcpy with no length check, across three separate code branches (DS10A/KR10A/MS10A device types).","publishedAt":"2026-08-05T12:26:13.217Z","updatedAt":"2026-08-10T11:46:33.609Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"TuranSec"},"assigner":"TuranSec","products":["domoticz domoticz"],"affected":[{"vendor":"domoticz","product":"domoticz","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"*","versionType":"custom"}],"programFiles":["hardware/MochadTCP.cpp"]}],"references":["https://github.com/domoticz/domoticz","https://github.com/domoticz/domoticz/blob/master/hardware/MochadTCP.cpp"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/71xxx/CVE-2026-71265.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71265","state":"PUBLISHED","datePublished":"2026-08-05T12:26:13.217Z","dateUpdated":"2026-08-10T11:46:33.609Z","assignerShortName":"TuranSec","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateReserved":"2026-08-05T12:23:34.967Z"},"containers":{"cna":{"title":"Domoticz MochadTCP Stack Buffer Overflow via MOCHAD_RFSEC strcpy()","descriptions":[{"lang":"en","value":"Domoticz's MochadTCP::MatchLine handler for MOCHAD_RFSEC messages (hardware/MochadTCP.cpp) copies network-received data from the up-to-1028-byte m_mochadbuffer into a fixed 50-byte stack buffer tempRFSECbuf using strcpy with no length check, across three separate code branches (DS10A/KR10A/MS10A device types)."}],"affected":[{"vendor":"domoticz","product":"domoticz","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"*","versionType":"custom"}],"programFiles":["hardware/MochadTCP.cpp"]}],"references":[{"url":"https://github.com/domoticz/domoticz","tags":["third-party-advisory"]},{"url":"https://github.com/domoticz/domoticz/blob/master/hardware/MochadTCP.cpp","tags":["third-party-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","lang":"en","description":"CWE-121","type":"CWE"}]}],"providerMetadata":{"shortName":"TuranSec","orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateUpdated":"2026-08-10T11:46:33.609Z"},"credits":[{"lang":"en","value":"Alibek Baxtiyorov","type":"finder"}],"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-05T12:26:13.217Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T15:30:00.835038Z","id":"CVE-2026-71265","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-05T15:30:10.335Z"}}]}}}