Buffer overflow in Insteon 2864-222

CVE-2018-11560

The webService binary on Insteon HD IP Camera White 2864-222 devices has a stack-based Buffer Overflow leading to Control-Flow Hijacking via a crafted usr key, as demonstrated by a long remoteIp parameter to cgi-bin/CGIProxy.fcgi on port 34100.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-11560?
CVE-2018-11560 is a critical-severity vulnerability in Insteon 2864-222, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-06-23.
How severe is CVE-2018-11560?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-11560 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.