CVE-2023-23305: Garmin Connect-Iq

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

The GarminOS TVM component in CIQ API version 1.0.0 through 4.1.7 is vulnerable to various buffer overflows when loading binary resources. A malicious application embedding specially crafted resources could hijack the execution of the device's firmware.

Affected products

• Garmin Connect-Iq: from 1.0.0, up to and including 4.1.7

Published 2023-05-23. Last modified 2026-06-17.