s7 1200

About this tag
The s7 1200 tag covers discussions about Siemens SIMATIC S7-1200 programmable logic controllers, including security vulnerabilities and patching. Recent content highlights two high-severity flaws in the S7-1200 CPU V1/V2 families that enable denial-of-service attacks and replay attacks. These issues require immediate inventory, isolation, and patching in production environments. The tag is relevant for industrial control system professionals managing Siemens hardware in manufacturing and critical infrastructure.

  1. Two High Severity Siemens S7-1200 Flaws: DoS and Replay Attacks

    Siemens ProductCERT has confirmed two high‑severity vulnerabilities in the SIMATIC S7‑1200 CPU V1/V2 families that can be exploited remotely to either crash controllers into a stop/defect state or replay previously recorded engineering‑level commands — a pair of flaws that demand immediate...
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