Buffer overflow in Samsung Sth-eth-250
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 the stack. An attacker can send an HTTP r…
Vulnerability class: Buffer Overflow
EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Samsung Sth-eth-250
- Samsung Sth-eth-250_firmware — versions 0.20.17
- Talos Samsung — versions Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-3903?
- CVE-2018-3903 is a critical-severity vulnerability in Samsung Sth-eth-250, classified under Out-of-bounds Write. CVSS score: 9.9/10. Published 2018-08-23.
- How severe is CVE-2018-3903?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2018-3903 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.