{"id":"CVE-2025-70994","aliases":["EUVD-2025-209567","GHSA-4cpv-8qgx-f9fv"],"status":"published","title":"Yadea T5 Electric Bicycles (models manufactured in/after 2024) have a weak authentication...","description":"Yadea T5 Electric Bicycles (models manufactured in/after 2024) have a weak authentication mechanism in their keyless entry system. The system utilizes the EV1527 fixed-code RF protocol without implementing rolling codes or cryptographic challenge-response mechanisms. This is vulnerable to signal forgery after a local attacker intercepts any legitimate key fob transmission, allowing for complete unauthorized vehicle operation via a replay attack.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00275,"percentile":0.20086,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-1390"],"published":"2026-04-23T00:00:00Z","modified":"2026-11-04T20:10:00Z","exploits":[{"source":"pocgithub","id":"ktauchathuranga/CVE-2025-70994","title":"ktauchathuranga/CVE-2025-70994","date":"2026-02-26","url":"https://github.com/ktauchathuranga/CVE-2025-70994"}],"references":[{"url":"https://github.com/ktauchathuranga/ghost-keys"},{"url":"https://github.com/ktauchathuranga/CVE-2025-70994","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-70994"},{"url":"https://github.com/advisories/GHSA-4cpv-8qgx-f9fv"}],"sources":{"cve":[{"id":"CVE-2025-70994","description":"Yadea T5 Electric Bicycles (models manufactured in/after 2024) have a weak authentication mechanism in their keyless entry system. The system utilizes the EV1527 fixed-code RF protocol without implementing rolling codes or cryptographic challenge-response mechanisms. This is vulnerable to signal forgery after a local attacker intercepts any legitimate key fob transmission, allowing for complete unauthorized vehicle operation via a replay attack.","status":"published","published":"2026-04-23T00:00:00Z","modified":"2026-04-23T15:10:43.811Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-1390"],"updated_at":"2026-11-02T14:32:25.186422Z"}],"euvd":[{"id":"EUVD-2025-209567","description":"Yadea T5 Electric Bicycles (models manufactured in/after 2024) have a weak authentication mechanism in their keyless entry system. The system utilizes the EV1527 fixed-code RF protocol without implementing rolling codes or cryptographic challenge-response mechanisms. This is vulnerable to signal forgery after a local attacker intercepts any legitimate key fob transmission, allowing for complete unauthorized vehicle operation via a replay attack.","status":"published","published":"2026-04-23T00:00:00Z","modified":"2026-04-23T15:10:43Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:24:19.171803Z"}],"ghsa":[{"id":"GHSA-4cpv-8qgx-f9fv","title":"Yadea T5 Electric Bicycles (models manufactured in/after 2024) have a weak authentication...","description":"Yadea T5 Electric Bicycles (models manufactured in/after 2024) have a weak authentication mechanism in their keyless entry system. The system utilizes the EV1527 fixed-code RF protocol without implementing rolling codes or cryptographic challenge-response mechanisms. This is vulnerable to signal forgery after a local attacker intercepts any legitimate key fob transmission, allowing for complete unauthorized vehicle operation via a replay attack.","status":"published","published":"2026-04-23T18:33:03Z","modified":"2026-04-23T18:33:26Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-1390"],"updated_at":"2026-11-02T15:07:36.455512Z"}],"nvd":[{"id":"CVE-2025-70994","description":"Yadea T5 Electric Bicycles (models manufactured in/after 2024) have a weak authentication mechanism in their keyless entry system. The system utilizes the EV1527 fixed-code RF protocol without implementing rolling codes or cryptographic challenge-response mechanisms. This is vulnerable to signal forgery after a local attacker intercepts any legitimate key fob transmission, allowing for complete unauthorized vehicle operation via a replay attack.","status":"published","published":"2026-04-23T15:36:26.687Z","modified":"2026-11-04T20:10:00.263Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-1390"],"updated_at":"2026-11-04T21:42:30.204668Z"}]}}