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    CVE-2026-103672

    The PEAK-System PCAN parser indexes a length table using attacker-controlled DLC without enforcing DLC <= 0x0f, then copies attacker payload from record+0x1c into a fixed-size stack destination.

    Published:Oct 20, 2026
    Last Modified:Oct 30, 2026
    EPS:Oct 20, 2026
    EPSS Score:0.00126
    CVSS Score:7.1

    Affected Products

    Vendor
    Hms Networks
    Product
    Pcan Windows Can Device Drivers
    Vendor
    Hms Networks
    Product
    Peak-system Device Driver Setup

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers

    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