Wemo Insight Smart Plug - Remote Code Execution vulnerability

published 2018-08-21 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18439

cvss: 5.9; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.8%; EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known

Stack-based Buffer Overflow vulnerability in libUPnPHndlr.so in Belkin Wemo Insight Smart Plug allows remote attackers to bypass local security protection via a crafted HTTP post packet.

Exploit prediction

3.81% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.9	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	3.1	10.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

Belkin Wemo Insight Smart Plug

Classification

Weakness

CWE-787 Out-of-bounds Write

References

securingtomorrow.mcafee.com /mcafee-labs/insight-into-home-automation-reveals-vulnerability-in-simple-iot-product

Sources

CVE List CVE-2018-6692
NVD CVE-2018-6692

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary