CVE-2018-3877 is a critical buffer overflow vulnerability affecting the credentials handler in the HTTP server of Samsung SmartThings Hub STH-ETH-250 firmware version 0.20.17. An attacker can exploit this by sending an excessively long "directory" value, causing a strncpy overflow. With a CVSS score of 9.9, this vulnerability is highly severe, allowing for complete compromise of confidentiality, integrity, and availability with low attack complexity and requiring only low privileges. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions.
| 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.