{"id":"CVE-2026-102370","revision":null,"records":[{"revision":"a6a29dace65f46379e0eec5c1f319ac4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-102370","aliases":[],"title":"Physical UART Access Leading to an Unauthenticated Root Shell in TP-Link Kasa EC70 and EC71","description":"Kasa EC70 v4\nand EC71 v4 do not logically disable the production debug interface at the\nfirmware or chip level and do not lock the bootloader.\u00A0 Although the debug traces are physically\nsevered during manufacturing, an attacker with physical access can restore the\nconnection, interrupt the boot process, and manipulate boot parameters to enter\na non-standard initialization path that exposes an unauthenticated root shell\nduring startup.\n\n\n\n\n\n\n\n\n\nSuccessful exploitation may allow an\nattacker with physical access to obtain root-level command access during device\nstartup, resulting in loss of confidentiality, integrity, and availability for\nthe affected device. Exploitation requires device disassembly, restoration of\nthe severed debug connection, and manipulation of the boot process.","state":0,"publishedAt":"2026-10-01T20:47:30.211+00:00","modifiedAt":"2026-10-01T21:01:44.613+00:00","affected":[{"ecosystem":"Vendor product","name":"Kasa EC70 V4","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"TP-Link Systems Inc.\",\n                    \"product\": \"Kasa EC70 V4\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.4.3 Build 20260902 rel.4511\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"},{"ecosystem":"Vendor product","name":"Kasa EC71 V4","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"TP-Link Systems Inc.\",\n                    \"product\": \"Kasa EC71 V4\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.4.3 Build 20260902 rel.4511\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":5.4,"severity":"MEDIUM"}],"references":["https://www.tp-link.com/us/support/download/ec71/v4/#Firmware-Release-Notes","https://www.tp-link.com/us/support/download/ec70/v4/#Firmware-Release-Notes","https://www.tp-link.com/us/support/faq/5324/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-102370","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-102370","identifiers":["CVE-2026-102370"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-11T20:58:42.4460032+00:00","complete":true,"records":1097,"lastAttemptAt":"2026-11-11T20:58:42.4460032+00:00","lastSuccessAt":"2026-11-11T20:58:42.6018487+00:00","error":null,"lastVerifiedAt":"2026-11-11T20:58:42.6018491+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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