What’s Vulnerable › Vulnerabilities

CVE-2018-3926

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-08-28 · updated 2026-06-17
• Weakness: CWE-191

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.

Affected products

• Samsung SmartThings Hub STH-ETH-250: 0.20.17

References

• http://www.securityfocus.com/bid/105162
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0593
• http://www.securityfocus.com/bid/105162
• https://talosintelligence.com/vulnerability_reports/TALOS-2018-0593

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