What is CVE-2017-18642?

CVE-2017-18642 is a medium-severity vulnerability in Syska Smartlight Rainbow Led Smart Bulb, classified under Information Disclosure. CVSS score: 6.5/10. Published 2020-02-10.

How severe is CVE-2017-18642?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in Syska Smartlight Rainbow Led Smart Bulb

CVE-2017-18642

Syska Smart Bulb devices through 2017-08-06 receive RGB parameters over cleartext Bluetooth Low Energy (BLE), leading to sniffing, reverse engineering, and replay attacks.

Vulnerability class: Information Disclosure

Published 2020-02-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (44.4th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

iayanpahwa.github.io/Reverse-Engineering-IoT-Devices/ (Third Party Advisory)

Frequently asked questions

What is CVE-2017-18642?: CVE-2017-18642 is a medium-severity vulnerability in Syska Smartlight Rainbow Led Smart Bulb, classified under Information Disclosure. CVSS score: 6.5/10. Published 2020-02-10.
How severe is CVE-2017-18642?: Medium severity. CVSS v3 base score is 6.5 out of 10.