TI-2023-09184 Aliases CVE-2023-23305 GHSA-g753-vxgm-rphm

The GarminOS TVM component in CIQ API version 1.0.0 through 4.1.7 is vulnerable to…

HIGH 82CWE-120Published 2023-05-23 · Updated 2025-01-31

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01285 70th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:garmin:connect-iq::::::::	1.0.0 – 4.1.7	Vulnerable	Garmin

cpe:2.3:a:garmin:connect-iq:*:*:*:*:*:*:*:* Versions 1.0.0 – 4.1.7 Vulnerable ·Garmin

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-23305
2026-10-03 Alias added: GHSA-g753-vxgm-rphm

References

Exploit 1

https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23305.md

TI-2023-09185 The `Toybox.Ant.BurstPayload.add` API method in CIQ API version 2.2.0 through 4.1.7… CVSS 3.1CRITICAL 9.8
TI-2023-09182 The `Toybox.Ant.GenericChannel.enableEncryption` API method in CIQ API version 3.2.0… CVSS 3.1CRITICAL 9.8
TI-2023-09181 The `Toybox.GenericChannel.setDeviceConfig` API method in CIQ API version 1.2.0 through… CVSS 3.1CRITICAL 9.8
TI-2023-09180 The `news` MonkeyC operation code in CIQ API version 1.0.0 through 4.1.7 fails to check… CVSS 3.1CRITICAL 9.8
TI-2023-09179 The `Toybox.Cryptography.Cipher.initialize` API method in CIQ API version 3.0.0 through… CVSS 3.1CRITICAL 9.8
TI-2023-09177 The `Toybox.Graphics.BufferedBitmap.initialize` API method in CIQ API version 2.3.0… CVSS 3.1CRITICAL 9.8

See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences