CVE-2019-5040: Google Nest Cam Iq Indoor Firmware

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

An exploitable information disclosure vulnerability exists in the Weave MessageLayer parsing of Openweave-core version 4.0.2 and Nest Cam IQ Indoor version 4620002. A specially crafted weave packet can cause an integer overflow to occur, resulting in PacketBuffer data reuse. An attacker can send a packet to trigger this vulnerability.

Affected products

• Google Nest Cam Iq Indoor Firmware: version 4620002 only
• Openweave Openweave-Core: version 4.0.2 only

Published 2019-08-20. Last modified 2026-06-17.