CVE-2021-43716CWE-347

CVE-2021-43716

Critical · published August 18, 2026

CVSS v3.1

9.8

EPSS

Percentile

26.7

In the wild

Unconfirmed

What it is

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

The record

Technical detail

CVSS v3.1: 9.8 · CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00345 · 26.7th percentile
Weakness: CWE-347 · Improper Verification of Cryptographic Signature
Published: 2026-08-18T22:17Z

References (2)

https://github.com/dpfkdlemtp/epson-eh-tw5350-advisories/blob/master/CVE-2021-43716.md · [email protected]https://github.com/dpfkdlemtp/epson-eh-tw5350-advisories/blob/master/CVE-2021-43716.md · 134c704f-9b21-4f2e-91b3-4a467353bcc0

EPSS history

Timeline

18 AUG 00:00Z
Verification Bypass vulnerability exists in EPSON 150075647YWWV110 EasyMP Network Updater Ver.1.20
cvelistv5