Is CVE-2018-12640 actively exploited?

No active exploitation of CVE-2018-12640 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-12640 be exploited remotely?

Yes. CVE-2018-12640 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-12640?

CVE-2018-12640 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2018-12640

CRITICAL

CVE-2018-12640

CWE-119Published: June 23, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

The webService binary on Insteon HD IP Camera White 2864-222 devices has a Buffer Overflow via a crafted pid, pwd, or usr key in a GET request on port 34100.

NVD Source

Technical Analysis

CVE-2018-12640 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.