CVE-2018-3916

Name: CVE-2018-3916
Creator: NVD / NIST
Published: 2018-08-28T20:29:00.873+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2018-3916 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.39%

30.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Samsung	Sth-Eth-250 Firmware	0.20.17

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0581Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0581Exploit, Third Party Advisory

Timeline

Published: Aug 28, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3916?

How severe is CVE-2018-3916?

CVE-2018-3916 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3916?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-3916?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST