SSA-127084

Vulnerability from csaf_siemens - Published: 2026-08-11 00:00 - Updated: 2026-10-13 00:00
Summary
SSA-127084: Multiple Vulnerabilities in Fortigate NGFW before V7.6.7 on RUGGEDCOM APE1808 Devices
Notes
Summary: Fortinet has published information on vulnerabilities in FortiOS. This advisory lists the related Siemens Industrial products. Siemens recommends to contact customer support for additional information, and follow Fortinet advisory for workarounds and mitigation measures.
General Recommendations: As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity
Additional Resources: For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Terms of Use: The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
CVE-2026-23573

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiOS, FortiProxy, FortiPAM and FortiSwitch-Manager Agentless SSL-VPN may allow an authenticated remote user to execute code or commands via crafted requests

6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected products
Product Identifier Version Remediation
RUGGEDCOM APE1808 with Fortinet NGFW
Siemens / RUGGEDCOM APE1808
 vers:all/*
Vendor Fix
CVE-2026-59839

An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability [CWE-22] in FortiOS, FortiPAM, FortiProxy and FortiSwitch Manager may allow a privileged authenticated attacker with physical access to the device to delete the file system via crafted CLI commands

5.5 (Medium)
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected products
Known affected 1 product, the same list as for CVE-2026-23573
CVE-2026-71407

A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon via crafted sockets, only if the explicit proxy is configured with Kerberos authentication and SOCKS enabled.

5.6 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE-121 - Stack-based Buffer Overflow
Affected products
Known affected 1 product, the same list as for CVE-2026-23573
CVE-2026-71408

An Allocation of Resources Without Limits or Throttling vulnerability [CWE-770] in FortiOS may allow an unauthenticated attacker to perform a slow HTTP DoS attack on the web interface via crafted HTTP requests

5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Known affected 1 product, the same list as for CVE-2026-23573
CVE-2026-84393

An improper certificate validation vulnerability [CWE-295] in FortiOS and FortiProxy Agentless ZTNA portal may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the ZTNA portal and the backend destination website

8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-297 - Improper Validation of Certificate with Host Mismatch
Affected products
Known affected 1 product, the same list as for CVE-2026-23573
References
To clipboard 

{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Fortinet has published information on vulnerabilities in FortiOS. This advisory lists the related Siemens Industrial products.\n\nSiemens recommends to contact customer support for additional information, and follow Fortinet advisory for workarounds and mitigation measures.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-127084: Multiple Vulnerabilities in Fortigate NGFW before V7.6.7 on RUGGEDCOM APE1808 Devices - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-127084.html"
      },
      {
        "category": "self",
        "summary": "SSA-127084: Multiple Vulnerabilities in Fortigate NGFW before V7.6.7 on RUGGEDCOM APE1808 Devices - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-127084.json"
      }
    ],
    "title": "SSA-127084: Multiple Vulnerabilities in Fortigate NGFW before V7.6.7 on RUGGEDCOM APE1808 Devices",
    "tracking": {
      "current_release_date": "2026-10-13T00:00:00.000Z",
      "generator": {
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      "revision_history": [
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          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2026-10-13T00:00:00.000Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added CVE-2026-71408, CVE-2026-71407 and CVE-2026-84393"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
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              {
                "category": "product_version_range",
                "name": "vers:all/*",
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      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "notes": [
        {
          "category": "description",
          "text": "An Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) vulnerability [CWE-79] in FortiOS, FortiProxy, FortiPAM and FortiSwitch-Manager Agentless SSL-VPN may allow an authenticated remote user to execute code or commands via crafted requests",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update Fortigate NGFW to V7.6.7 or later following the secure update recommendation procedure. Contact customer support to receive detailed information",
          "product_ids": [
            "1"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
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      ],
      "title": "CVE-2026-23573"
    },
    {
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      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
      "notes": [
        {
          "category": "description",
          "text": "An Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027) vulnerability [CWE-22] in FortiOS, FortiPAM, FortiProxy and FortiSwitch Manager may allow a privileged authenticated attacker with physical access to the device to delete the file system via crafted CLI commands",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
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        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update Fortigate NGFW to V7.6.7 or later following the secure update recommendation procedure. Contact customer support to receive detailed information",
          "product_ids": [
            "1"
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      ],
      "scores": [
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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        }
      ],
      "title": "CVE-2026-59839"
    },
    {
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      "cwe": {
        "id": "CWE-121",
        "name": "Stack-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "description",
          "text": "A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon via crafted sockets, only if the explicit proxy is configured with Kerberos authentication and SOCKS enabled.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
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      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update Fortigate NGFW to V7.6.7 or later following the secure update recommendation procedure. Contact customer support to receive detailed information",
          "product_ids": [
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          ]
        }
      ],
      "scores": [
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          "cvss_v3": {
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            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "CVE-2026-71407"
    },
    {
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      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "notes": [
        {
          "category": "description",
          "text": "An Allocation of Resources Without Limits or Throttling vulnerability [CWE-770] in FortiOS may allow an unauthenticated attacker to perform a slow HTTP DoS attack on the web interface via crafted HTTP requests",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
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          "product_ids": [
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            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "CVE-2026-71408"
    },
    {
      "cve": "CVE-2026-84393",
      "cwe": {
        "id": "CWE-297",
        "name": "Improper Validation of Certificate with Host Mismatch"
      },
      "notes": [
        {
          "category": "description",
          "text": "An improper certificate validation vulnerability [CWE-295] in FortiOS and FortiProxy Agentless ZTNA portal may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the ZTNA portal and the backend destination website",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "remediations": [
        {
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          "product_ids": [
            "1"
          ]
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          },
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          ]
        }
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      "title": "CVE-2026-84393"
    }
  ]
}



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