CVE-2026-66098CWE-306

CVE-2026-66098

Medium · published August 12, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
24.2
In the wild
Unconfirmed
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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00324 · 24.2th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-08-12T02:18Z
References (2)
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-223-01.json · [email protected]https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-223-01 · [email protected]
EPSS history
Timeline
  • 11 AUG 21:28Z
    Mira Hormone Monitor, Mira Android App Missing authentication for critical function
    cvelistv5