Schneider Electric SCADAPack and RemoteConnect Improper Check For Unusual or Exceptional Conditions (CVE-2026-0667)

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

include('compat.inc');

if (description)
{
  script_id(505939);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/08/07");

  script_cve_id("CVE-2026-0667");
  script_xref(name:"ICSA", value:"26-076-02");

  script_name(english:"Schneider Electric SCADAPack and RemoteConnect Improper Check For Unusual or Exceptional Conditions (CVE-2026-0667)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"CWE-754 Improper Check for Unusual or Exceptional Conditions
vulnerability exists that could cause remote code execution,
denial of service, and loss of confidentiality and integrity
of the RTU controller when an unauthenticated attacker sends
specially crafted Modbus TCP packets to the device.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://www.se.com/us/en/download/document/SEVD-2026-041-01/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d7a3f772");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-26-076-02");
  script_set_attribute(attribute:"solution", value:
"The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original
can be found at CISA.gov.");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:U");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-0667");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(754);

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/02/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/02/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/08/06");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:scadapack_47x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:scadapack_47xi_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:scadapack_57x_firmware");
  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/Schneider");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Schneider');

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

var vuln_cpes = {
    "cpe:/o:schneider-electric:scadapack_47x_firmware" :
        {"versionEndExcluding" : "9.12.2", "family" : "SCADAPack"},
    "cpe:/o:schneider-electric:scadapack_47xi_firmware" :
        {"versionEndExcluding" : "9.12.2", "family" : "SCADAPack"},
    "cpe:/o:schneider-electric:scadapack_57x_firmware" :
        {"family" : "SCADAPack"}
};

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