What is CVE-2017-16346?

CVE-2017-16346 is a critical-severity vulnerability in Insteon Hub, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.9/10. Published 2018-08-02.

How severe is CVE-2017-16346?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Buffer overflow in Insteon Hub

CVE-2017-16346

An attacker could send an authenticated HTTP request to trigger this vulnerability in Insteon Hub running firmware version 1012. At 0x9d01c368 the value for the s_mac key is copied using strcpy to the buffer at 0xa000170c. This buffer is 25 bytes large, sending anything longer will cause a buffer overflow. The destination can also be shifted by using an sn_speaker parameter between "0" and "3".

Vulnerability class: Buffer Overflow

Published 2018-08-02 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.014 (71.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Insteon Hub
Insteon Hub Firmware — versions 1012
Insteon — versions Insteon Hub 2245-222 - Firmware version 1012

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.talosintelligence.com/vulnerability_reports/TALOS-2017-0484 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-16346?: CVE-2017-16346 is a critical-severity vulnerability in Insteon Hub, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.9/10. Published 2018-08-02.
How severe is CVE-2017-16346?: Critical severity. CVSS v3 base score is 9.9 out of 10.