CVE-2023-23303 is a critical buffer overflow vulnerability affecting Garmin Connect IQ API versions 3.2.0 through 4.1.7. The flaw lies in the `Toybox.Ant.GenericChannel.enableEncryption` API method, which lacks proper parameter validation, allowing a malicious application to craft a special object and hijack device firmware execution. With a CVSS score of 9.8 (Critical), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.2.0, <= 4.1.7CPE matchmatch criteria | cpe:2.3:a:garmin:connect-iq:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.