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highCVE-2026-544292026-07-28Vector: network

Vulnerability in Siemens SIMATIC S7-PLCSIM Advanced Risks Denial-of-Service

Siemens has identified a flaw in its SIMATIC S7-PLCSIM Advanced software that could allow an attacker on the same network to stop the application from working by sending large amounts of network data.

Decision Context

English Brief

Siemens has identified a flaw in its SIMATIC S7-PLCSIM Advanced software that could allow an attacker on the same network to stop the application from working by sending large amounts of network data.

الموجز العربي

ثغرة في برنامج Siemens SIMATIC S7-PLCSIM Advanced قد تؤدي إلى حجب الخدمة

حددت شركة سيمنز ثغرة في برنامج SIMATIC S7-PLCSIM Advanced قد تسمح للمهاجمين على نفس الشبكة بإيقاف التطبيق عن العمل عن طريق إرسال كميات كبيرة من البيانات.

Affected Products
    Priority sectors
    Critical Manufacturing
    Immediate Actions
    1. 1Disable the S7-PLCSIM Virtual Switch binding on the relevant network adapter.
    2. 2Configure the network to restrict multicast traffic on the segment hosting the SIMATIC S7-PLCSIM Advanced instance.
    3. 3Ensure the software is running in 'Softbus' / 'PLCSIM' network mode, which rejects packets from the network.