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    CVE-2025-48729

    A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later

    Published:Oct 3, 2025
    Last Modified:Oct 8, 2025
    EPS:Oct 3, 2025
    EPSS Score:0.0014
    CVSS Score:4.9

    Affected Products

    Vendor
    Qnap
    Product
    Qts
    Vendor
    Qnap
    Product
    Quts Hero

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-24716 (CVSS 1.2) — A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. I…
    CVE-2026-22893 (CVSS 8.6) — A command injection vulnerability has been reported to affect several QNAP operating system versions. If a rem…
    CVE-2025-66281 (CVSS 6.9) — A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. T…
    CVE-2025-66280 (CVSS 5.1) — An integer overflow or wraparound vulnerability has been reported to affect several QNAP operating system vers…
    CVE-2025-66279 (CVSS 8.6) — A command injection vulnerability has been reported to affect several QNAP operating system versions. If a rem…
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    CVE-2025-66276 (CVSS 9.2) — QuTS hero is not affected. We have already fixed the vulnerability in the following version: QTS 5.2.7.3256 b…
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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