Publication Date:
Last Update:
Current Version: V1.0
CVSS v3.1 Base Score: 9.8
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Affected Product and Versions Remediation
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Product-specific remediations or mitigations can be found in the section Known Affected Products.
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 7.1
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE CWE-674: Uncontrolled Recursion
CVSS v3.1 Base Score 7.8
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-191: Integer Underflow (Wrap or Wraparound)
CVSS v3.1 Base Score 7.8
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-191: Integer Underflow (Wrap or Wraparound)
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.1
CVSS v3.1 Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE CWE-125: Out-of-bounds Read
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-191: Integer Underflow (Wrap or Wraparound)
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 7.8
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-20: Improper Input Validation
CVSS v3.1 Base Score 7.7
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE CWE-122: Heap-based Buffer Overflow
CVSS v3.1 Base Score 5.5
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVSS v3.1 Base Score 7.8
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 9.8
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787: Out-of-bounds Write
CVSS v3.1 Base Score 6.0
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE CWE-416: Use After Free
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:N/I:L/A:N
CWE CWE-1286: Improper Validation of Syntactic Correctness of Input
CVSS v3.1 Base Score 6.0
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE CWE-122: Heap-based Buffer Overflow
CVSS v3.1 Base Score 5.5
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-664: Improper Control of a Resource Through its Lifetime
CVSS v3.1 Base Score 7.1
CVSS v3.1 Vector CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-190: Integer Overflow or Wraparound
CVSS v3.1 Base Score 7.1
CVSS v3.1 Vector CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-190: Integer Overflow or Wraparound
CVSS v3.1 Base Score 6.2
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-131: Incorrect Calculation of Buffer Size
CVSS v3.1 Base Score 5.9
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE CWE-328: Use of Weak Hash
CVSS v3.1 Base Score 7.8
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS v3.1 Base Score 7.8
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
CWE CWE-416: Use After Free
CVSS v3.1 Base Score 6.2
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-674: Uncontrolled Recursion
CVSS v3.1 Base Score 6.6
CVSS v3.1 Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
CWE CWE-121: Stack-based Buffer Overflow
CVSS v3.1 Base Score 9.1
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CWE CWE-825: Expired Pointer Dereference
CVSS v3.1 Base Score 9.1
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CWE CWE-125: Out-of-bounds Read

https://www.siemens.com/cert/advisories
V1.0 (2026-05-12): Publication Date