Vulnerability · Published Nov 11, 2025 · Assigned by siemens
CVE-2025-40816
High 7.6
In plain English
A high-severity missing authentication in LOGO! 12/24RCE from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).
Official 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 conduct certain validations when interacting with them. This could allow an unauthenticated remote attacker to manipulate the devices IP address, which means the device would not be reachable.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | LOGO! 12/24RCE | 0 – before V1.84.05 |
| Siemens | LOGO! 12/24RCEo | 0 – before V1.84.05 |
| Siemens | LOGO! 230RCE | 0 – before V1.84.05 |
| Siemens | LOGO! 230RCEo | 0 – before V1.84.05 |
| Siemens | LOGO! 24CE | 0 – before V1.84.05 |
| Siemens | LOGO! 24CEo | 0 – before V1.84.05 |
| Siemens | LOGO! 24RCE | 0 – before V1.84.05 |
| Siemens | LOGO! 24RCEo | 0 – before V1.84.05 |
| Siemens | SIPLUS LOGO! 12/24RCE | 0 – before V1.84.05 |
| Siemens | SIPLUS LOGO! 12/24RCEo | 0 – before V1.84.05 |
| Siemens | SIPLUS LOGO! 230RCE | 0 – before V1.84.05 |
| Siemens | SIPLUS LOGO! 230RCEo | 0 – before V1.84.05 |
| Siemens | SIPLUS LOGO! 24CE | 0 – before V1.84.05 |
| Siemens | SIPLUS LOGO! 24CEo | 0 – before V1.84.05 |
| Siemens | SIPLUS LOGO! 24RCE | 0 – before V1.84.05 |
| Siemens | SIPLUS LOGO! 24RCEo | 0 – before V1.84.05 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H