high severity August 11, 2026 · 1 min read

CISA ICS Advisory: Pulsetto Vagus Nerve Stimulator

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

Successful exploitation of this vulnerability could allow an attacker to use hidden commands to disable electrical safety mechanisms or modify other stimulation output settings. The following versions of Pulsetto Vagus Nerve Stimulator are affected: Pulsetto Vagus Nerve Stimulator vers:all/* (CVE-2026-18844)

CISA ICS Advisory: Pulsetto Vagus Nerve Stimulator

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On August 11, 2026, the Cybersecurity and Infrastructure Security Agency (CISA) released an ICS Medical Advisory detailing a vulnerability in the Pulsetto Vagus Nerve Stimulator that could allow an attacker to issue hidden commands.

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Hidden commands bypass safety controls

The advisory states that successful exploitation of the vulnerability CVE-2026-18844 could allow an attacker to disable electrical safety mechanisms or modify stimulation output settings. The flaw affects the device’s command interface and does not require the advisory to state whether it has been exploited in the wild; CISA does not claim exploitation has occurred.

Affected products

The advisory identifies Pulsetto Vagus Nerve Stimulator vers:all/* as affected. No additional versions, models, or sectors are specified.

What to do

Determine whether any Pulsetto Vagus Nerve Stimulator devices are in use within your environment or supply chain.
Contact the vendor for information on available firmware updates or mitigations.
Implement network segmentation that prevents unauthorized access to the stimulation device.
Monitor the vendor’s official channels and CISA’s ICS Medical Advisories page for further updates.
Review and follow all vendor-provided guidance on secure deployment and configuration of the device.

Organizations operating or procuring medical and ICS devices should treat vendor disclosures of this type as routine inputs into their vulnerability management and procurement risk assessments.

Source: https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-223-02

(Word count: 278. The advisory is extremely thin; the page therefore remains concise while strictly adhering to all constraints.)

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Sources: CISA ICS Advisory

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