high severity August 13, 2026 · 1 min read

CISA ICS Advisory: Flow Neuroscience FL-100

Here’s what this advisory affects, and what to do about it.

Successful exploitation of this vulnerability could allow an attacker within Bluetooth range to manipulate brain stimulation parameters and override safety limits.

CISA ICS Advisory: Flow Neuroscience FL-100

CISA has published an ICS medical device advisory warning of a Bluetooth vulnerability in the Flow Neuroscience FL-100 brain stimulation device.

Bluetooth manipulation of stimulation parameters

The advisory states that successful exploitation of the vulnerability could allow an attacker within Bluetooth range to manipulate brain stimulation parameters and override safety limits.

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Affected product

The vulnerability affects the Flow Neuroscience FL-100 device. The advisory does not specify affected firmware versions or whether the flaw has been exploited in the wild.

What to do

Determine whether the Flow Neuroscience FL-100 is in use within your environment
Review and apply any available firmware updates or mitigations published by Flow Neuroscience
Implement network segmentation and access controls that limit unnecessary Bluetooth exposure on affected medical devices
Monitor the vendor’s security channel and CISA’s ICS Medical Advisories page for further updates
Assess the risk posture of connected medical and ICS devices that rely on Bluetooth communications

Medical device operators and procurement teams should treat Bluetooth-enabled neurostimulation equipment as part of their broader attack surface, especially where safety overrides could have direct patient impact. CISA’s publication of this advisory underscores the continued focus on securing wireless interfaces in active implantable and external medical systems.

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Sources: CISA ICS Advisory

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