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Critical SSA-486936 1 CVE

SSA-486936: Authentication Vulnerability in SIMATIC ET 200SP Communication Processors

Published Oct 14, 2025 · Updated Oct 14, 2025

Vendor: Siemens Product: SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) Product: SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) Product: SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) Product: SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) Product: SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) Product: SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0)

Summary

SIMATIC ET 200SP communication processors (CP 1542SP-1, CP 1542SP-1 IRC and CP 1543SP-1, incl. SIPLUS variants) contain an authentication vulnerability that could allow an unauthenticated remote attacker to access the configuration data.

Siemens has released new versions for the affected products and recommends to update to the latest versions.

Vulnerabilities 1

Revision history

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