Qnap QTS and QuTS hero OS Command Injection (CVE-2025-66279)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(505903);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/31");

  script_cve_id("CVE-2025-66279");

  script_name(english:"Qnap QTS and QuTS hero OS Command Injection (CVE-2025-66279)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A command injection 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
execute arbitrary commands. We have already fixed the vulnerability in
the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS
hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build
20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_attribute(attribute:"see_also", value:"https://www.qnap.com/en/security-advisory/qsa-26-10");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-66279");
  script_cwe_id(78);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/06/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/06/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/31");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:quts_hero:h5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:quts_hero:h6");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Qnap");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Qnap');

var asset = tenable_ot::assets::get(vendor:'Qnap');

var vuln_cpes = {
    "cpe:/o:qnap:qts" :
        {"versionEndExcluding" : "5.2.9.3410", "versionStartIncluding" : "5.2.0.2737", "family" : "QTS"},
    "cpe:/o:qnap:quts_hero:h5:u01" :
        {"versionEndExcluding" : "h5.2.9.3410", "versionStartIncluding" : "h5.2.0.2737", "family" : "QuTShero"},
    "cpe:/o:qnap:quts_hero:h5:u02" :
        {"versionEndExcluding" : "h5.3.4.3500", "versionStartIncluding" : "h5.3.0.3115", "family" : "QuTShero"},
    "cpe:/o:qnap:quts_hero:h6" :
        {"versionEndExcluding" : "h6.0.0.3397", "versionStartIncluding" : "h6.0.0.3324", "family" : "QuTShero"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_HOLE);