Siemens SINUMERIK

Source: All CISA Advisories | Added:

Siemens has reported a vulnerability in its SINUMERIK products that allows for authentication bypass, potentially enabling unauthorized remote access to systems. This vulnerability, identified as CVE-2025-40743, affects several versions of SINUMERIK equipment and poses risks to system confidentiality, integrity, and availability.

Impact: SINUMERIK 828D PPU.4, SINUMERIK 828D PPU.5, SINUMERIK 840D sl, SINUMERIK MC, SINUMERIK ONE

In the Wild: No

Age: Newly disclosed

Remediation: Apply Defense-in-Depth, close VNC port, set VNC password, update to specified versions.

Phishing CVE Vulnerability Update

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