CVE-2026-18844: Pulsetto Vagus Nerve Stimulator Hidden Functionality

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-11 · updated 2026-09-08
Weakness: CWE-912

Description

The firmware of the Pulsetto Vagus Nerve Stimulator accepts several undisclosed commands over its Bluetooth Low Energy (BLE) interface. These commands are sent without authentication or encryption, and are never issued by the companion mobile application, yet are fully processed by the device when it is powered on.

Affected products

Pulsetto Vagus Nerve Stimulator: all versions

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-223-02.json
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-223-02

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