SSA-267056

Vulnerability from csaf_siemens - Published: 2025-11-11 00:00 - Updated: 2026-10-13 00:00
Summary
SSA-267056: Multiple Vulnerabilities in LOGO! 8 BM Devices
Notes
Summary: LOGO! 8 BM (incl. SIPLUS variants) contains multiple vulnerabilities. These could allow an attacker to execute code remotely, put the device into a denial of service state, or change the behavior of the device. Siemens has released new versions for the affected products and recommends to update to the latest versions.
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-2025-40815

Affected devices do not properly validate the structure of TCP packets in several methods. This could allow an attacker to cause buffer overflows, get control over the instruction counter and run custom code.

7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Affected products
Product Identifier Version Remediation
LOGO! 12/24RCE (6ED1052-1MD08-0BA2) < V1.84.05
Siemens / LOGO! 12/24RCE (6ED1052-1MD08-0BA2)
 6ED1052-1MD08-0BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA2) < V1.84.05
Siemens / SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA2)
 6AG1052-2MD08-7BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA2) < V1.84.05
Siemens / SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA2)
 6AG1052-1FB08-7BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA2) < V1.84.05
Siemens / SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA2)
 6AG1052-2FB08-7BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA2) < V1.84.05
Siemens / SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA2)
 6AG1052-1CC08-7BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA2) < V1.84.05
Siemens / SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA2)
 6AG1052-2CC08-7BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA2) < V1.84.05
Siemens / SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA2)
 6AG1052-1HB08-7BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA2) < V1.84.05
Siemens / SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA2)
 6AG1052-2HB08-7BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
LOGO! 12/24RCEo (6ED1052-2MD08-0BA2) < V1.84.05
Siemens / LOGO! 12/24RCEo (6ED1052-2MD08-0BA2)
 6ED1052-2MD08-0BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
LOGO! 230RCE (6ED1052-1FB08-0BA2) < V1.84.05
Siemens / LOGO! 230RCE (6ED1052-1FB08-0BA2)
 6ED1052-1FB08-0BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
LOGO! 230RCEo (6ED1052-2FB08-0BA2) < V1.84.05
Siemens / LOGO! 230RCEo (6ED1052-2FB08-0BA2)
 6ED1052-2FB08-0BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
LOGO! 24CE (6ED1052-1CC08-0BA2) < V1.84.05
Siemens / LOGO! 24CE (6ED1052-1CC08-0BA2)
 6ED1052-1CC08-0BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
LOGO! 24CEo (6ED1052-2CC08-0BA2) < V1.84.05
Siemens / LOGO! 24CEo (6ED1052-2CC08-0BA2)
 6ED1052-2CC08-0BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
LOGO! 24RCE (6ED1052-1HB08-0BA2) < V1.84.05
Siemens / LOGO! 24RCE (6ED1052-1HB08-0BA2)
 6ED1052-1HB08-0BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
LOGO! 24RCEo (6ED1052-2HB08-0BA2) < V1.84.05
Siemens / LOGO! 24RCEo (6ED1052-2HB08-0BA2)
 6ED1052-2HB08-0BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA2) < V1.84.05
Siemens / SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA2)
 6AG1052-1MD08-7BA2 vers:intdot/<1.84.05
Mitigation
Vendor Fix fix
CVE-2025-40816

Affected devices do not conduct certain validations when interacting with them. This could allow an unauthenticated remote attacker to manipulate the devices IP address, which means the device would not be reachable.

7.6 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
CWE-306 - Missing Authentication for Critical Function
Affected products
Known affected 16 products, the same list as for CVE-2025-40815
CVE-2025-40817

Affected devices do not conduct certain validations when interacting with them. This could allow an unauthenticated remote attacker to change time of the device, which means the device could behave differently.

6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE-306 - Missing Authentication for Critical Function
Affected products
Known affected 16 products, the same list as for CVE-2025-40815
References
To clipboard 

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  "vulnerabilities": [
    {
      "cve": "CVE-2025-40815",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "notes": [
        {
          "category": "description",
          "text": "Affected devices do not properly validate the structure of TCP packets in several methods. This could allow an attacker to cause buffer overflows, get control over the instruction counter and run custom code.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
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          "1",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Protect the LSC access to the device with a strong password.",
          "product_ids": [
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            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "2",
            "3",
            "4",
            "5",
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        {
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          "product_ids": [
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            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/110006452/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9"
          ]
        }
      ],
      "title": "CVE-2025-40815"
    },
    {
      "cve": "CVE-2025-40816",
      "cwe": {
        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "notes": [
        {
          "category": "description",
          "text": "Affected devices do not conduct certain validations when interacting with them. This could allow an unauthenticated remote attacker to manipulate the devices IP address, which means the device would not be reachable.",
          "title": "CVE Description"
        }
      ],
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          "11",
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          "13",
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          "15",
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          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Restrict network access to port 10006/udp to trusted IP addresses.",
          "product_ids": [
            "1",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
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        {
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            "1",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/110006452/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
          "products": [
            "1",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9"
          ]
        }
      ],
      "title": "CVE-2025-40816"
    },
    {
      "cve": "CVE-2025-40817",
      "cwe": {
        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "notes": [
        {
          "category": "description",
          "text": "Affected devices do not conduct certain validations when interacting with them. This could allow an unauthenticated remote attacker to change time of the device, which means the device could behave differently.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Restrict network access to port 10006/udp to trusted IP addresses.",
          "product_ids": [
            "1",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V1.84.05 or later version",
          "product_ids": [
            "1",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/110006452/"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "1",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9"
          ]
        }
      ],
      "title": "CVE-2025-40817"
    }
  ]
}



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