Siemens RUGGEDCOM ROS Improper Input Validation (CVE-2025-40935)

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

include('compat.inc');

if (description)
{
  script_id(504917);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/01");

  script_cve_id("CVE-2025-40935");
  script_xref(name:"ICSA", value:"26-015-05");

  script_name(english:"Siemens RUGGEDCOM ROS Improper Input Validation (CVE-2025-40935)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Affected devices do not properly validate input during the TLS
certificate upload process of the web service. This could allow an
authenticated remote attacker to trigger a device crash and reboot,
leading to a temporary Denial of Service on the device.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/html/ssa-763474.html");
  script_set_attribute(attribute:"see_also", value:"https://support.industry.siemens.com/cs/ww/en/view/109997649/");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-26-015-05");
  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_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-40935");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(20);

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/12/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/12/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/01/09");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rmc8388_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rs416pv2_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rs416v2_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rs900_%2832m%29_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rs900g_%2832m%29_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg2100_%2832m%29_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg2100p_%2832m%29_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg2288_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg2300_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg2300p_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg2488_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg907r_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg908c_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg909r_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg910c_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rsg920p_v5.x_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rst2228_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rst2228p_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rst916c_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:siemens:ruggedcom_rst916p_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/Siemens");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Siemens');

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

var vuln_cpes = {
    "cpe:/o:siemens:ruggedcom_rmc8388_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rs416pv2_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rs416v2_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rs900_%2832m%29_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rs900g_%2832m%29_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg2100_%2832m%29_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg2100p_%2832m%29_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg2288_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg2300_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg2300p_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg2488_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg907r_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg908c_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg909r_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg910c_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rsg920p_v5.x_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rst2228_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rst2228p_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rst916c_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"},
    "cpe:/o:siemens:ruggedcom_rst916p_firmware" :
        {"versionEndExcluding" : "5.10.1", "family" : "RuggedCom"}
};

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