VULNERABILITY INTELLIGENCE

CVE-2018-3926

CVSS score5.5 MEDIUM

EPSS probability0.42%

CISA KEVNot currently listed

Published2018-08-28

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

An exploitable integer underflow vulnerability exists in the ZigBee firmware update routine of the hubCore binary of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The hubCore process incorrectly handles malformed files existing in its data directory, leading to an infinite loop, which eventually causes the process to crash. An attacker can send an HTTP request to trigger this vulnerability.

Weakness classification

CWE-191: Integer Underflow (Wrap or Wraparound)

Primary references

talos-cna@cisco.com — Broken Link, Third Party Advisory, VDB Entry
talos-cna@cisco.com — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory