CVE-2018-3916

Severity: high (CVSS 7.8 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-787

Description

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 SmartThings Hub STH-ETH-250: 0.20.17

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0581
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0581

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