CVE-2018-6692 — Stack-based Buffer Overflow vulnerability in libUPnPHndlr

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
Belkin	Wemo Insight Smart Plug	WeMo_WW_2.00.11054.PVT-OWRT-Insight

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-08-21T14:00:00.000Z
• Last modified: 2024-08-05T06:10:11.342Z

09References

• securingtomorrow.mcafee.com — https://securingtomorrow.mcafee.com/mcafee-labs/insight-into-home-automation-rev…