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    CVE-2026-26239

    A buffer overflow vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5208 and later

    Published:Jun 10, 2026
    Last Modified:Jun 17, 2026
    EPS:Jun 10, 2026
    EPSS Score:0.00292
    CVSS Score:8.1

    Affected Products

    Vendor
    Qnap
    Product
    File Station
    Vendor
    Qnap Systems
    Product
    File Station 5

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-26240 (CVSS 1.3) — A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then expl…
    CVE-2026-26241 (CVSS 1.3) — A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then expl…
    CVE-2026-24724 (CVSS 6.2) — An incorrect authorization vulnerability has been reported to affect File Station 6. If a remote attacker gain…
    CVE-2026-24720 (CVSS 1.3) — An allocation of resources without limits or throttling vulnerability has been reported to affect File Station…
    CVE-2026-22899 (CVSS 1.3) — A NULL pointer dereference vulnerability has been reported to affect File Station 6. If a remote attacker gain…
    CVE-2025-54155 (CVSS 3.6) — An allocation of resources without limits or throttling vulnerability has been reported to affect File Station…
    CVE-2025-54161 (CVSS 3.6) — An allocation of resources without limits or throttling vulnerability has been reported to affect File Station…
    CVE-2025-54162 (CVSS 4.8) — A path traversal vulnerability has been reported to affect File Station 5. If a remote attacker gains an admin…
    CVE-2025-54163 (CVSS 1.2) — A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gain…
    CVE-2025-54169 (CVSS 4.9) — An out-of-bounds read vulnerability has been reported to affect File Station 5. If a remote attacker gains a u…

    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