CVE-2026-66098

7.1 HIGH 0.3% exploit odds No fix listed Auth & access Device

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of service disruption.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-08-11 22:18 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-03 17:57 UTC Last updatedMost recent change to the record

Details

Published: 2026-08-11 22:18 UTC
Last modified: 2026-09-03 17:57 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-306 · Missing authentication
Record status: Awaiting Analysis

Attack profile CVSS 4.0 · 7.1

Attack vector: Adjacent network
Complexity: Low
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: None
Integrity: None
Availability: High

Raw 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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References

NVD record · CVE.org record