CVE-2018-3926

mediumpriority · track · 22EPSS 0.004 · 36 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.42% (36th) EPSS

CVSS 4.9 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

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

5.5

010

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

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.05.3mediumCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:Hsecondary · ENISA EU

v3.05.3mediumCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:Hsecondary · talos-cna@cisco.com USexploitability 0.8 · impact 4

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-191USprimary

affected products (2)

Products and version ranges known to be affected.

Talos Samsung≤ 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 2018-08-28modified 2026-06-17

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+715 more

references (7)

External citations — patches, advisories, analysis.

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0593 cnnvd
https://www.securityfocus.com/bid/105162 cnnvd
https://www.smartthings.com/Patchcnnvd
http://www.securityfocus.com/bid/105162 enisa_euvd
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0593 enisa_euvd
http://www.securityfocus.com/bid/105162Broken LinkThird Party AdvisoryVDB Entrynvd
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0593ExploitThird Party Advisorynvd

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