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CVE-2025-40815

Description

A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA2) (All versions < V1.84.05), LOGO! 12/24RCEo (6ED1052-2MD08-0BA2) (All versions < V1.84.05), LOGO! 230RCE (6ED1052-1FB08-0BA2) (All versions < V1.84.05), LOGO! 230RCEo (6ED1052-2FB08-0BA2) (All versions < V1.84.05), LOGO! 24CE (6ED1052-1CC08-0BA2) (All versions < V1.84.05), LOGO! 24CEo (6ED1052-2CC08-0BA2) (All versions < V1.84.05), LOGO! 24RCE (6ED1052-1HB08-0BA2) (All versions < V1.84.05), LOGO! 24RCEo (6ED1052-2HB08-0BA2) (All versions < V1.84.05), SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA2) (All versions < V1.84.05). 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.

Affected products

How to fix

Upgrade to a fixed version: Siemens LOGO! 12/24RCE V1.84.05; Siemens LOGO! 12/24RCEo V1.84.05; Siemens LOGO! 230RCE V1.84.05; Siemens LOGO! 230RCEo V1.84.05; Siemens LOGO! 24CE V1.84.05; Siemens LOGO! 24CEo V1.84.05; Siemens LOGO! 24RCE V1.84.05; Siemens LOGO! 24RCEo V1.84.05; Siemens SIPLUS LOGO! 12/24RCE V1.84.05; Siemens SIPLUS LOGO! 12/24RCEo V1.84.05; Siemens SIPLUS LOGO! 230RCE V1.84.05; Siemens SIPLUS LOGO! 230RCEo V1.84.05. Check the vendor advisory for mitigations.

References

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