Publication Date:
Last Update:
Current Version: V1.0
CVSS v3.1 Base Score: 5.3
CVSS v4.0 Base Score: 6.3
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Affected Product and Versions Remediation

All versions
affected by CVE-2025-40757
Currently no fix is available

All versions
affected by CVE-2025-40757
Currently no fix is available

All versions
affected by CVE-2025-40757
Currently no fix is available
  • Ensure all three default passwords are changed even if not in use.
  • Ensure that passwords for all accounts are strong and hard to guess. Passwords can be 15 characters long and can contain upper case, lower case, numbers and special characters.
  • Disable telnet (telnet is disabled by default).

Please follow the General Security 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

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This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

CVSS v3.1 Base Score 5.3
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0 Base Score 6.3
CVSS v4.0 Vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CWE CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

  • Johnathan Law from PwC for coordinated disclosure

https://www.siemens.com/cert/advisories
V1.0 (2025-09-09): Publication Date