{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-34251", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2025-04-15T19:15:22.578Z", "datePublished": "2025-10-06T23:35:22.949Z", "dateUpdated": "2026-03-23T15:43:47.684Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "modules": ["Android Debug Bridge"], "product": "Telematics Control Unit (TCU)", "vendor": "Tesla", "versions": [{"lessThan": "2025.14", "status": "affected", "version": "*", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:tesla:tesla_firmware:*:*:*:*:*:android:*:*", "versionStartIncluding": "0", "versionEndExcluding": "2025.14"}]}]}], "credits": [{"lang": "en", "type": "finder", "value": "Alex Plaskett and McCaulay Hudson of NCC Group"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Tesla Telematics Control Unit (TCU) firmware prior to v2025.14 contains an authentication bypass vulnerability. The TCU runs the Android Debug Bridge (adbd) as root and, despite a \u201clockdown\u201d check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device\u2019s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel\u2019s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges."}], "value": "Tesla Telematics Control Unit (TCU) firmware prior to v2025.14 contains an authentication bypass vulnerability. The TCU runs the Android Debug Bridge (adbd) as root and, despite a \u201clockdown\u201d check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device\u2019s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel\u2019s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges."}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "PHYSICAL", "baseScore": 8.6, "baseSeverity": "HIGH", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-288", "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-23T15:43:47.684Z"}, "references": [{"tags": ["product"], "url": "https://www.tesla.com/"}, {"tags": ["technical-description", "exploit"], "url": "https://www.nccgroup.com/research-blog/technical-advisory-tesla-telematics-control-unit-adb-auth-bypass/"}, {"tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/tesla-tcu-auth-bypass"}], "source": {"discovery": "UNKNOWN"}, "title": "Tesla Telematics Control Unit (TCU) < v2025.14 Authentication Bypass", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-10-07T15:59:50.127063Z", "id": "CVE-2025-34251", "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": "2025-10-07T16:00:13.274Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-34251", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-07T15:59:50.127063Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-07T16:00:00.584Z"}}], "cna": {"title": "Tesla Telematics Control Unit (TCU) < v2025.14 Authentication Bypass", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Alex Plaskett and McCaulay Hudson of NCC Group"}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.6, "Automatable": "NOT_DEFINED", "attackVector": "PHYSICAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Tesla", "modules": ["Android Debug Bridge"], "product": "Telematics Control Unit (TCU)", "versions": [{"status": "affected", "version": "*", "lessThan": "2025.14", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.tesla.com/", "tags": ["product"]}, {"url": "https://www.nccgroup.com/research-blog/technical-advisory-tesla-telematics-control-unit-adb-auth-bypass/", "tags": ["technical-description", "exploit"]}, {"url": "https://www.vulncheck.com/advisories/tesla-tcu-auth-bypass", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "Tesla Telematics Control Unit (TCU) firmware prior to v2025.14 contains an authentication bypass vulnerability. The TCU runs the Android Debug Bridge (adbd) as root and, despite a \u201clockdown\u201d check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device\u2019s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel\u2019s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges.", "supportingMedia": [{"type": "text/html", "value": "Tesla Telematics Control Unit (TCU) firmware prior to v2025.14 contains an authentication bypass vulnerability. The TCU runs the Android Debug Bridge (adbd) as root and, despite a \u201clockdown\u201d check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device\u2019s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel\u2019s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-288", "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tesla:tesla_firmware:*:*:*:*:*:android:*:*", "vulnerable": true, "versionEndExcluding": "2025.14", "versionStartIncluding": "0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-23T15:43:47.684Z"}}}, "cveMetadata": {"cveId": "CVE-2025-34251", "state": "PUBLISHED", "dateUpdated": "2026-03-23T15:43:47.684Z", "dateReserved": "2025-04-15T19:15:22.578Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2025-10-06T23:35:22.949Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Tesla Telematics Control Unit (TCU) firmware prior to v2025.14 contains an authentication bypass vulnerability. The TCU runs the Android Debug Bridge (adbd) as root and, despite a \u201clockdown\u201d check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device\u2019s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel\u2019s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges."}], "id": "CVE-2025-34251", "lastModified": "2025-10-08T19:38:32.610", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "PHYSICAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2025-10-07T00:15:34.357", "references": [{"source": "disclosure@vulncheck.com", "url": "https://www.nccgroup.com/research-blog/technical-advisory-tesla-telematics-control-unit-adb-auth-bypass/"}, {"source": "disclosure@vulncheck.com", "url": "https://www.tesla.com/"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/tesla-tcu-auth-bypass"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}, {"lang": "en", "value": "CWE-288"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"created": "2025-10-08T13:38:48.615135+00:00", "updated": "2025-10-08T13:38:48.615162+00:00", "vendors": ["google", "google$PRODUCT$android", "tesla", "tesla$PRODUCT$telematics_control_unit", "tesla$PRODUCT$tesla"]}