CVE-2018-3918

Name: CVE-2018-3918
Creator: NVD / NIST
Published: 2018-08-27T15:29:01.137+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2018-3918 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An exploitable vulnerability exists in the remote servers of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The hubCore process listens on port 39500 and relays any unauthenticated messages to SmartThings' remote servers, which incorrectly handle camera IDs for the 'sync' operation, leading to arbitrary deletion of cameras. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

An exploitable vulnerability exists in the remote servers of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The hubCore process listens on port 39500 and relays any unauthenticated messages to SmartThings' remote servers, which incorrectly handle camera IDs for the 'sync' operation, leading to arbitrary deletion of cameras. An attacker can send an HTTP request to trigger this vulnerability.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.99%

58.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-707

Affected Software

Vendor	Product	Versions
Samsung	Sth-Eth-250 Firmware	0.20.17

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0582Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0582Exploit, Third Party Advisory

Timeline

Published: Aug 27, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3918?

How severe is CVE-2018-3918?

CVE-2018-3918 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3918?

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-2018-3918?

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

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Source: NVD / NIST