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.
Published: 2026-08-11
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor 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.

Tracking

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Advisories

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History

Wed, 12 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


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'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-08-12T12:50:41.904Z

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

Link: CVE-2026-66098

cve-icon Vulnrichment

Updated: 2026-08-12T12:49:35.503Z

cve-icon NVD

Status : Received

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

Modified: 2026-08-12T13:17:23.793

Link: CVE-2026-66098

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-12T19:45:08Z

Weaknesses
  • CWE-306

    Missing Authentication for Critical Function