CVE-2025-70994

HIGH EPSS 19.2%

Published Apr 23, 20262mo ago · Modified Jun 17, 20262w ago

7.3 CVSS 3.1

High

Published Apr 23, 2026 2mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

7.3

Exploitability

2.1

Impact

5.2

Vector string

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Attack Vector Adjacent

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Unchanged

Confidentiality None

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

19.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-1390

References 2

github.com https://github.com/ktauchathuranga/CVE-2025-70994
github.com https://github.com/ktauchathuranga/ghost-keys

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.