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    CVE-2025-51495

    An integer overflow vulnerability exists in the WebSocket component of Mongoose 7.5 thru 7.17. By sending a specially crafted WebSocket request, an attacker can cause the application to crash. If downstream vendors integrate this component improperly, the issue may lead to a buffer overflow.

    Published:Sep 29, 2025
    Last Modified:Oct 16, 2025
    EPS:Sep 29, 2025
    EPSS Score:0.0005
    CVSS Score:7.5

    Affected Products

    Vendor
    Cesanta
    Product
    Mongoose

    Exploits

    https://github.com/cainiao159357/CVE-2025-51495https://github.com/cainiao159357/CVE-2025-51495

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    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