CVE-2018-3876 describes a critical buffer overflow vulnerability in the credentials handler of the Samsung SmartThings Hub STH-ETH-250 (firmware version 0.20.17). An attacker can exploit this by sending an excessively long "bucket" value, causing a strncpy overflow in a 64-byte buffer. This vulnerability carries a high CVSS score of 8.8, indicating that it is network-exploitable with low privileges and no user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability. While highly severe, there is currently no evidence of active exploitation, public 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, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.