CVE-2018-3914: Samsung Sth-Eth-250 Firmware

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An exploitable stack-based buffer overflow vulnerability exists in the retrieval of database fields in the video-core HTTP server of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy call overflows the destination buffer, which has a size of 2000 bytes. An attacker can send an arbitrarily long "sessionToken" 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.