SSA-486936 — Vulnetix

SSA-486936 PUBLISHED CVSS 9.800000190734863 CRITICAL

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.

Risk Scores

CVSS 3.1

9.800000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

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

Exploit Intelligence

https://cert-portal.siemens.com/productcert/html/ssa-486936.html (circl)
https://cert-portal.siemens.com/productcert/csaf/ssa-486936.json (circl)
https://support.industry.siemens.com/cs/ww/en/view/109995159/ (circl)

Timeline

Oct 14, 2025 CVE Published

References

https://cert-portal.siemens.com/productcert/html/ssa-486936.html advisory
https://cert-portal.siemens.com/productcert/csaf/ssa-486936.json advisory
https://support.industry.siemens.com/cs/ww/en/view/109995159/ fix

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