CVE-2021-43716 Security feature bypass in n/a

Critical 9.8 Published Updated

Attackers can bypass firmware verification mechanisms on Epson projectors, potentially allowing unauthorized updates via USB.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-43716?

CVE-2021-43716 is a critical vulnerability in n/a, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-347

Which versions are affected by CVE-2021-43716?

How do I fix CVE-2021-43716?

No fix has been published for CVE-2021-43716 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-43716 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-43716 exists.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-8pv8-j9qf-f8m3.

Is CVE-2021-43716 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free