Description
A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC CP 1542SP-1 | < V2.4.24 | V2.4.24 |
| Siemens | SIMATIC CP 1542SP-1 IRC | < V2.4.24 | V2.4.24 |
| Siemens | SIMATIC CP 1543SP-1 | < V2.4.24 | V2.4.24 |
| Siemens | SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL | < V2.4.24 | V2.4.24 |
| Siemens | SIPLUS ET 200SP CP 1543SP-1 ISEC | < V2.4.24 | V2.4.24 |
| Siemens | SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL | < V2.4.24 | V2.4.24 |
Advisories 3
- NCSC-2025-0309 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Oct 14, 2025
- ICSA-25-289-07 Siemens SIMATIC ET 200SP Communication Processors CISA ICS & IT advisories · Oct 14, 2025
- SSA-486936 SSA-486936: Authentication Vulnerability in SIMATIC ET 200SP Communication Processors Siemens ProductCERT · Oct 14, 2025