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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | LOGO! 12/24RCE | < V1.84.05 | V1.84.05 |
| Siemens | LOGO! 12/24RCEo | < V1.84.05 | V1.84.05 |
| Siemens | LOGO! 230RCE | < V1.84.05 | V1.84.05 |
| Siemens | LOGO! 230RCEo | < V1.84.05 | V1.84.05 |
| Siemens | LOGO! 24CE | < V1.84.05 | V1.84.05 |
| Siemens | LOGO! 24CEo | < V1.84.05 | V1.84.05 |
| Siemens | LOGO! 24RCE | < V1.84.05 | V1.84.05 |
| Siemens | LOGO! 24RCEo | < V1.84.05 | V1.84.05 |
| Siemens | SIPLUS LOGO! 12/24RCE | < V1.84.05 | V1.84.05 |
| Siemens | SIPLUS LOGO! 12/24RCEo | < V1.84.05 | V1.84.05 |
| Siemens | SIPLUS LOGO! 230RCE | < V1.84.05 | V1.84.05 |
| Siemens | SIPLUS LOGO! 230RCEo | < V1.84.05 | V1.84.05 |
| Siemens | SIPLUS LOGO! 24CE | < V1.84.05 | V1.84.05 |
| Siemens | SIPLUS LOGO! 24CEo | < V1.84.05 | V1.84.05 |
| Siemens | SIPLUS LOGO! 24RCE | < V1.84.05 | V1.84.05 |
| Siemens | SIPLUS LOGO! 24RCEo | < V1.84.05 | V1.84.05 |
Advisories 3
- SSA-267056 SSA-267056: Multiple Vulnerabilities in LOGO! 8 BM Devices Siemens ProductCERT · Oct 13, 2026
- NCSC-2025-0357 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Nov 11, 2025
- ICSA-25-317-13 Siemens LOGO! 8 BM Devices CISA ICS & IT advisories · Nov 11, 2025