CVE-2025-40771

No fix known EPSS <1%CVSS 9.8

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.

Published 2025-10-14 · CVE record · OSV

Products: Siemens SIMATIC CP 1542SP-1, Siemens SIMATIC CP 1542SP-1 IRC, Siemens SIMATIC CP 1543SP-1, Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL, Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC, Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL