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    CVE-2025-54870

    VTun-ng is a Virtual Tunnel over TCP/IP network. In versions 3.0.17 and below, failure to initialize encryption modules might cause reversion to plaintext due to insufficient error handling. The bug was first introduced in VTun-ng version 3.0.12. This is fixed in version 3.0.18. To workaround this issue, avoid blowfish-256.

    Published:Aug 5, 2025
    Last Modified:Apr 15, 2026
    EPS:Aug 5, 2025
    EPSS Score:0.00044
    CVSS Score:8.7

    Affected Products

    Vendor
    Leakingmemory
    Product
    Vtun-ng
    Vendor
    Rust-lang
    Product
    Vtun-ng

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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