CVE-2018-3914

highpriority · track · 31EPSS 0.004 · 36 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.42% (36th) EPSS

CVSS 7.2 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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 2000 bytes. An attacker can send an arbitrarily long "sessionToken" value in order to exploit this vulnerability.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.07.5highCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.07.5highCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · talos-cna@cisco.com USexploitability 0.8 · impact 6

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (2)

Products and version ranges known to be affected.

Samsung SmartThings Hub STH-ETH-250≤ Firmware version 0.20.17enisa_euvdEU
samsung sth-eth-250 firmware= 0.20.17nvdUScpe:2.3:o:samsung:sth-eth-250_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-09-21modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

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