CVE-2021-43716

Published Aug 18, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
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

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Epson
Epson easymp Network Updater
Vendors & Products Epson
Epson easymp Network Updater
Type Values Removed Values Added
Title Verification Bypass in Epson EasyMP Network Updater Enabling Unauthorized Firmware Updates via USB
Weaknesses CWE-285
Type Values Removed Values Added
Weaknesses CWE-347
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Verification Bypass in Epson EasyMP Network Updater Enabling Unauthorized Firmware Updates via USB
Weaknesses CWE-285
Type Values Removed Values Added
Description Verification Bypass vulnerability exists in EPSON 150075647YWWV110 EasyMP Network Updater Ver.1.20. The Epson projector can be updated by encrypted firmware through USB.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 21, 2026, 8:18 PM
Reserved
Nov 15, 2021, 12:00 AM
Status
Deferred
Published
Aug 18, 2026, 6:17 PM
Modified
Sep 9, 2026, 4:04 PM