---
id: CVE-2025-59479
title: >-
  CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper restriction
  of rendered UI layers or frames
summary: >-
  CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper restriction
  of rendered UI layers or frames. If a user clicks on content on a malicious
  web page while logged into the product, unintended operations may be performed
  on …
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-1021
vendor: inaba
product: ib-mct001_firmware
affected:
  - ib-mct001_firmware
published: '2025-12-16'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T19:10:00.160'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59479'
references:
  - url: 'https://jvn.jp/en/vu/JVNVU92827367/'
    label: vultures@jpcert.or.jp
  - url: 'https://www.inaba.co.jp/files/chocomini_vulnerability_newly_identified.pdf'
    label: vultures@jpcert.or.jp
tags:
  - nvd
epss: 0.0019
epssPercentile: 0.07898
ingestedAt: '2026-10-07T20:46:46.948Z'
---

## Overview

CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper restriction of rendered UI layers or frames. If a user clicks on content on a malicious web page while logged into the product, unintended operations may be performed on the product.

## Affected

- `ib-mct001_firmware`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.