# CVE-2026-66875 — Mira Firmware

> As of 2026-08-12, CVE-2026-66875 is a HIGH-severity vulnerability in Mira Firmware, CVSS v3.1 8.8, EPSS 0.2% (15.4th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-66875 as of 2026-08-12; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-12

## What is CVE-2026-66875?

In the Mira hormone monitor device firmware v1.7.1.47 build 01070147, a remote unauthenticated attacker within BLE range (approximately 10–30 meters) can silently rebind the device to an attacker-controlled account, extract stored hormone measurements in cleartext, cause a denial-of-service via malformed or undocumented command opcodes, and passively track the user via a static random BLE address that never rotates.

The record classifies CVE-2026-66875 under weakness class [CWE-306](https://intel.threadlinqs.com/cwe/CWE-306). Its CVSS v3 base vector states that the flaw is reachable from an adjacent network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 55 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.8 — HIGH (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **CVSS v4.0 base score:** 8.7 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 15.4% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-11, last modified 2026-08-12

## Is CVE-2026-66875 being exploited?

It currently carries a trending score of 33 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Quanovate Tech Inc. (operating as Mira / Mira Care)](https://intel.threadlinqs.com/vendors/quanovate-tech-inc-operating-as-mira-mira-care): Mira Firmware, Mira Android App

## How to fix CVE-2026-66875

No vendor patch reference has been recorded for CVE-2026-66875 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-66875

No threat campaign in the Threadlinqs corpus currently references CVE-2026-66875, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-08-13.

**Other references**

- [cisa.gov](https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-223-01)
- [github.com](https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-223-01.json)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-66875
Full detection coverage and IOCs for threats exploiting CVE-2026-66875 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp