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  • Yadea T5 Electric Bicycle

    From CISA Advisories@2:263/1 to All on Thu Apr 23 18:11:07 2026
    Yadea T5 Electric Bicycle

    View CSAF
    Summary
    Successful exploitation of this vulnerability could result in an attacker being able to unlock and start the bicycle, leading to vehicle theft.
    The following versions of Yadea T5 Electric Bicycle are affected:

    T5 Electric Bicycle vers:all/* (CVE-2025-70994)





    CVSS
    Vendor
    Equipment
    Vulnerabilities




    v3 7.3
    Yadea
    Yadea T5 Electric Bicycle
    Weak Authentication




    Background

    Critical Infrastructure Sectors: Transportation Systems
    Countries/Areas Deployed: Worldwide
    Company Headquarters Location: China


    Vulnerabilities

    Expand All +

    CVE-2025-70994

    Yadea T5 Electric Bicycles have a weak authentication mechanism which is vulnerable to signal forgery after a local attacker intercepts any legitimate key fob transmissions.
    View CVE Details

    Affected Products
    Yadea T5 Electric Bicycle

    Vendor:Yadea
    Product Version:Yadea T5 Electric Bicycle: vers:all/*
    Product Status:known_affected


    Remediations
    MitigationYadea did not respond to CISA's attempts at coordination. Users of Yadea T5 Electric Bicycles are encouraged to keep their systems up to date and lock their property securely with external mechanisms. Users can contact Yadea at https://yadea.com/contact-us.https://yadea.com/contact-us

    Relevant CWE: CWE-1390 Weak Authentication

    Metrics




    CVSS Version
    Base Score
    Base Severity
    Vector String




    3.1
    7.3
    HIGH
    CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H








    Acknowledgments

    Ashen Chathuranga reported this vulnerability to MITRE and CISA


    Legal Notice and Terms of Use
    This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy).

    Recommended Practices
    CISA provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
    CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.
    Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.
    Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
    No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. This vulnerability is not exploitable remotely.

    Revision History

    Initial Release Date: 2026-04-23




    Date
    Revision
    Summary




    2026-04-23
    1
    Initial Publication




    Legal Notice and Terms of Use

    https://www.cisa.gov/news-events/ics-advisories/icsa-26-113-01

    2026-04-23 12:00 UTC
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