CVE-2021-3625

    Dashboard / Vulnerabilities / CVE-2021-3625

    CVE-2021-3625

    Published: 5 Oct 2021Last Modified: 11 Feb 2026

    Summary:

    Details: Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363

    References: http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363, http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- fe7c2efca800a0cf1bccf23aefe08b3c4beb88bf
    Fixed -3f826560aaf81a444018293bd6acce3c339fe150

    Affected versions

    v2.5.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-3625 | CVE-DB