CVE-2018-3872 describes a critical buffer overflow vulnerability in the credentials handler of the Samsung SmartThings Hub STH-ETH-250 (firmware version 0.20.17). This flaw allows an authenticated attacker to trigger a stack-based buffer overflow by sending a crafted HTTP request with a malicious JSON payload, specifically manipulating the videoHostUrl field. With a CVSS score of 9.9 (CRITICAL), successful exploitation could lead to complete compromise of confidentiality, integrity, and availability of the affected device. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.20.17CPE matchmatch criteria | cpe:2.3:o:samsung:sth-eth-250_firmware:0.20.17:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.