{"id":"CVE-2025-34251","aliases":["EUVD-2025-32120","GHSA-jvpj-w5q8-mg28"],"status":"published","title":"Tesla Telematics Control Unit (TCU) \u003c v2025.14 Authentication Bypass","description":"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 “lockdown” check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device’s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel’s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges.","severity":{"version":"4.0","score":8.6,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00446,"percentile":0.39288,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269","CWE-288"],"published":"2025-10-06T23:35:22Z","modified":"2026-10-09T10:10:00Z","products":[{"vendor":"tesla","product":"telematics control unit (tcu)"}],"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"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-34251"},{"url":"https://www.nccgroup.com/research-blog/technical-advisory-tesla-telematics-control-unit-adb-auth-bypass"},{"url":"https://www.tesla.com"},{"url":"https://github.com/advisories/GHSA-jvpj-w5q8-mg28"}],"sources":{"cve":[{"id":"CVE-2025-34251","title":"Tesla Telematics Control Unit (TCU) \u003c v2025.14 Authentication Bypass","description":"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 “lockdown” check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device’s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel’s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges.","status":"published","published":"2025-10-06T23:35:22.949Z","modified":"2026-05-15T11:15:39.914Z","cvss":[{"version":"4.0","score":8.6,"vector":"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","level":"high","assessor":"cna"}],"cwes":["CWE-269","CWE-288"],"updated_at":"2026-11-02T14:32:54.534202Z"}],"euvd":[{"id":"EUVD-2025-32120","description":"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 “lockdown” check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device’s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel’s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges.","status":"published","published":"2025-10-06T23:35:22Z","modified":"2026-05-15T11:15:39Z","cvss":[{"version":"4.0","score":8.6,"vector":"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","level":"high"}],"updated_at":"2026-11-02T19:04:28.872228Z"}],"ghsa":[{"id":"GHSA-jvpj-w5q8-mg28","title":"Tesla Telematics Control Unit (TCU) firmware prior to v2025.14 contains an authentication bypass...","description":"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 “lockdown” check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device’s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel’s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges.","status":"published","published":"2025-10-07T00:31:11Z","modified":"2025-10-07T00:31:19Z","cvss":[{"version":"4.0","score":8.6,"vector":"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","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:03:52.40546Z"}],"nvd":[{"id":"CVE-2025-34251","description":"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 “lockdown” check that disables adb shell, still permits adb push/pull and adb forward. Because adbd is privileged and the device’s USB port is exposed externally, an attacker with physical access can write an arbitrary file to a writable location and then overwrite the kernel’s uevent_helper or /proc/sys/kernel/hotplug entries via ADB, causing the script to be executed with root privileges.","status":"published","published":"2025-10-07T00:15:34.357Z","modified":"2026-10-09T10:10:00.193Z","cvss":[{"version":"4.0","score":8.6,"vector":"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","level":"high","assessor":"secondary"}],"cwes":["CWE-269","CWE-288"],"updated_at":"2026-11-02T14:11:35.93863Z"}]}}