---
id: CVE-2021-43717
title: An issue exists in pson EH-TW5350 Epson iProjection.apk v3.2.6
summary: >-
  An issue exists in pson EH-TW5350 Epson iProjection.apk v3.2.6. If you
  identify a projector equipped with an iProjection function, you can access the
  projector using hard-coded authentication information and control the
  projector malicio…
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-798
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-2021-43717'
references:
  - url: >-
      https://github.com/dpfkdlemtp/epson-eh-tw5350-advisories/blob/master/CVE-2021-43717.md
    label: cve@mitre.org
  - url: >-
      https://github.com/dpfkdlemtp/epson-eh-tw5350-advisories/blob/master/CVE-2021-43717.md
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00606
epssPercentile: 0.46747
ingestedAt: '2026-08-22T13:32:36.822Z'
---

## Overview

An issue exists in pson EH-TW5350 Epson iProjection.apk v3.2.6. If you identify a projector equipped with an iProjection function, you can access the projector using hard-coded authentication information and control the projector maliciously.

## Remediation

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