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.

Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

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.


Workaround

No workaround given by the vendor.

History

Tue, 11 Aug 2026 21:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Mira Hormone Monitor, Mira Android App Missing authentication for critical function
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-08-11T21:28:44.178Z

Reserved: 2026-08-03T16:54:56.469Z

Link: CVE-2026-66098

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-11T22:18:49.740

Modified: 2026-08-11T22:18:49.740

Link: CVE-2026-66098

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses