CVE-2018-3916: 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 136 bytes. An attacker can send an arbitrarily long 'directory' value in order to exploit this vulnerability. An attacker can send an HTTP request to trigger this vulnerability.

Affected products

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

Published 2018-08-28. Last modified 2026-06-17.