What is CVE-2017-2186?

CVE-2017-2186 is a high-severity vulnerability in Kddi Home Spot Cube 2, classified under Improper Authentication. CVSS score: 8.8/10. Published 2017-07-07.

How severe is CVE-2017-2186?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Kddi Home Spot Cube 2

CVE-2017-2186

HOME SPOT CUBE2 firmware V101 and earlier allows an attacker to bypass authentication to load malicious firmware via WebUI.

Vulnerability class: Broken Authentication

Published 2017-07-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Kddi Home Spot Cube 2
Kddi Home Spot Cube 2 Firmware — versions v100, v101
Kddi Corporation Home Spot Cube2 — versions firmware V101 and earlier

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.au.com/information/notice_mobile/update/update-20170612-01/ (Vendor Advisory)
www.securityfocus.com/bid/99282 (VDB Entry, Third Party Advisory, vdb-entry)
jvn.jp/en/jp/JVN24348065/index.html (VDB Entry, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2017-2186?: CVE-2017-2186 is a high-severity vulnerability in Kddi Home Spot Cube 2, classified under Improper Authentication. CVSS score: 8.8/10. Published 2017-07-07.
How severe is CVE-2017-2186?: High severity. CVSS v3 base score is 8.8 out of 10.