CVE-2018-3867: Samsung Sth-Eth-250 Firmware

Critical severity, CVSS 9.9. EPSS: 2% chance of exploitation in the next 30 days.

An exploitable stack-based buffer overflow vulnerability exists in the samsungWifiScan callback notification of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17. The video-core process incorrectly handles the answer received from a smart camera, leading to a buffer overflow on the stack. 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.