CVE-2026-24347 Arbitrary file write to /tmp directory in EZCast Pro II Dongle

Medium 5.7 Published 27 Jan 2026 Updated 27 Jan 2026

Attackers can manipulate files in the /tmp directory via improper input validation in the Admin UI of the EZCast Pro II Dongle.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-24347?

CVE-2026-24347 is a medium-severity path traversal vulnerability in EZCast Pro II, published on 27 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper input validation in Admin UI of EZCast Pro II version 1.17478.146 allows attackers to manipulate files in the /tmp directory

Weakness: CWE-20

Which versions are affected by CVE-2026-24347?

It affects 1 product.

Products include Nimbletech Ezcast Pro Dongle Ii Firmware.

How do I fix CVE-2026-24347?

No fix has been published for CVE-2026-24347 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-24347 being exploited?

There is no known exploitation of CVE-2026-24347 in the wild and no public exploit code.

Sources

Also known as GHSA-45hq-rq49-xwcf.