CVE-2026-18844 PUBLISHED

Pulsetto Vagus Nerve Stimulator Hidden Functionality

Assigner: icscert
Reserved: 04.08.2026 Published: 11.08.2026 Updated: 11.08.2026

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.

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS Score: 8.1

Attack Vector	Adjacent Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Pulsetto
Product	Vagus Nerve Stimulator
Versions	Default: unaffected Version All is affected

Solutions

Pulsetto has not responded to requests to work with CISA to mitigate this vulnerability. Users are encouraged to reach out directly to Pulsetto for assistance at info@pulsetto.tech mailto:info@pulsetto.tech .

CVE-2026-18844 PUBLISHED

Pulsetto Vagus Nerve Stimulator Hidden Functionality

Metrics

Product Status

Solutions

Credits

References

Problem Types