CVE-2018-3856: Samsung Sth-Eth-250 Firmware

Critical severity, CVSS 9.9. EPSS: 3.4% chance of exploitation in the next 30 days.

An exploitable vulnerability exists in the smart cameras RTSP configuration of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The device incorrectly handles spaces in the URL field, leading to an arbitrary operating system command injection. An attacker can send a series of HTTP requests to trigger this vulnerability.

Affected products

• Samsung Sth-Eth-250 Firmware: version 0.20.17 only

Published 2018-08-23. Last modified 2026-06-17.