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01 Record

CVE-2018-3903

On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process incorrectly extracts fields from a user-controlled JSON payload, leading to a buffer overflow on

CriticalPUBLISHEDCNA: talos
CNA base score9.9 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
View raw JSON

02 Description

On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process incorrectly extracts fields from a user-controlled JSON payload, leading to a buffer overflow on

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.80% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 78.1% of scored records. A rank, not a probability.
NVD base score
9.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-08-23 15:00Z8 YR AGO
Last updated
2024-09-17 01:02Z2 YR AGO
Reserved
2018-01-02
Assigning CNA
talos
Record state
PUBLISHED
Severity
Critical (CVSS 9.9)
CNA CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses
Data version
5.1
Document digest
7a1a78d86cee1671b9a8561b6349b3f94d109cd08ea1d4b0683709234a7e4ff5

05 Affected products

VendorProductVersionsPlatforms
TalosSamsungSamsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17—

06 References