CVE-2023-23300

CRITICAL

Garmin Connect-iq < 4.1.7 - Buffer Overflow

Title source: rule
STIX 2.1

Description

The `Toybox.Cryptography.Cipher.initialize` API method in CIQ API version 3.0.0 through 4.1.7 does not validate its parameters, which can result in buffer overflows when copying data. A malicious application could call the API method with specially crafted parameters and hijack the execution of the device's firmware.

Scores

CVSS v3 9.8
EPSS 0.0073
EPSS Percentile 72.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-120
Status published
Products (1)
garmin/connect-iq 3.0.0 - 4.1.7
Published May 23, 2023
Tracked Since Feb 18, 2026