---
id: CVE-2021-43716
title: >-
  Verification Bypass vulnerability exists in EPSON 150075647YWWV110 EasyMP
  Network Updater Ver.1.20
summary: >-
  Verification Bypass vulnerability exists in EPSON 150075647YWWV110 EasyMP
  Network Updater Ver.1.20. The Epson projector can be updated by encrypted
  firmware through USB.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-347
published: '2026-08-18'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:04:24.933'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-43716'
references:
  - url: >-
      https://github.com/dpfkdlemtp/epson-eh-tw5350-advisories/blob/master/CVE-2021-43716.md
    label: cve@mitre.org
  - url: >-
      https://github.com/dpfkdlemtp/epson-eh-tw5350-advisories/blob/master/CVE-2021-43716.md
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - exploit-available
epss: 0.00298
epssPercentile: 0.22611
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/dpfkdlemtp/epson-eh-tw5350-advisories'
  checkedAt: '2026-09-21T15:27:39.471Z'
exploitAvailable: true
ingestedAt: '2026-08-22T13:32:36.785Z'
---

## Overview

Verification Bypass vulnerability exists in EPSON 150075647YWWV110 EasyMP Network Updater Ver.1.20. The Epson projector can be updated by encrypted firmware through USB.

## Remediation

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