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LowAdvisoryCISA — cybersecurity advisories· 14 May 2026

Siemens SIMATIC

Severity: Low · Kind: Advisory

Plain-English summary on the way

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From the source

View CSAF Summary SIMATIC CN 4100 contains multiple vulnerabilities which could potentially lead to a compromise in availability, integrity and confidentiality. Siemens has released a new version for SIMATIC CN 4100 and recommends to update to the latest version. The following versions of Siemens SIMATIC are affected: SIMATIC CN 4100 vers:intdot/<5.0 CVSS Vendor Equipment Vulnerabilities v3 9.6 Siemens Siemens SIMATIC NULL Pointer Dereference, Reachable Assertion, Use After Free, Out-of-bounds Write, Integer Overflow or Wraparound, Allocation of Resources Without Limits or Throttling, Out-of-bounds Read, Covert Timing Channel, Stack-based Buffer Overflow, Inefficient Algorithmic Complexity, Missing Release of Memory after Effective Lifetime, Improper Restriction of Operations within the Bounds of a Memory Buffer, Improper Input Validation, Improper Locking, Uncontrolled Recursion, Buffer Access with Incorrect Length Value, Race Condition within a Thread, Missing Synchronization, Use of Uninitialized Resource, Double Free, Missing Release of Resource after Effective Lifetime, Loop with Unreachable Exit Condition (&#039;Infinite Loop&#039;), Improper Update of Reference Count, Improper Control of a Resource Through its Lifetime, Concurrent Execution using Shared Resource with Improper Synchronization (&#039;Race Condition&#039;), Unexpected Status Code or Return Value, Divide By Zero, Improper Validation of Specified Index, Position, or Offset in Input, Comparison Using Wrong F

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.