CVE-2026-66098 PUBLISHED

Mira Hormone Monitor, Mira Android App Missing authentication for critical function

Assigner: icscert
Reserved: 03.08.2026 Published: 11.08.2026 Updated: 11.08.2026

The Mira hormone monitor device firmware accepts a 0x01 write from any BLE central without authentication, causing the device to reboot into bootloader mode. An attacker could cause a denial-of-service condition or disrupt ovulation tracking and fertility monitoring workflow.

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	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:N/A:H
CVSS Score: 6.5

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

CVSS 3.1

Product Status

Vendor	Quanovate Tech Inc. (operating as Mira / Mira Care)
Product	Mira Firmware
Versions	Default: unaffected Version 1.7.1.47 is affected

Vendor	Quanovate Tech Inc. (operating as Mira / Mira Care)
Product	Mira Android App
Versions	Default: unaffected Version 4.5.15.4 is affected

Solutions

Users should update the Mira app to the latest version iOS v3.5.18 / Android v4.5.18. Firmware v01.07.01.53 is updated via the app when the device is connected. No additional action is required.

Credits

Gigi Xiaoqing Liu, Muzzammil Mohammed, Narmina Karimova, and En Mong of Northeastern University SPQR Lab reported this vulnerability to Quanovate Tech. finder

References

Problem Types

CWE-306 CWE