CVE-2018-3894: Samsung Sth-Eth-250 Firmware

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

An exploitable buffer overflow vulnerability exists in the /cameras/XXXX/clips handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17. The strncpy call overflows the destination buffer, which has a size of 52 bytes. An attacker can send an arbitrarily long "startTime" value in order to exploit this vulnerability.

Affected products

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

Published 2018-09-21. Last modified 2026-06-17.