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    CVE-2025-6704

    An arbitrary file writing vulnerability in the Secure PDF eXchange (SPX) feature of Sophos Firewall versions older than 21.0 MR2 (21.0.2) can lead to pre-auth remote code execution, if a specific configuration of SPX is enabled in combination with the firewall running in High Availability (HA) mode.

    Published:Jul 21, 2025
    Last Modified:Aug 18, 2025
    EPS:Jul 21, 2025
    EPSS Score:0.00188
    CVSS Score:9.8

    Affected Products

    Vendor
    Sophos
    Product
    Firewall
    Vendor
    Sophos
    Product
    Firewall Firmware

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2024-12727 (CVSS 9.8) — A pre-auth SQL injection vulnerability in the email protection feature of Sophos Firewall versions older than …
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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