Insufficient checks in the USB packet handling of the ShapeShift KeepKey hardware wallet…
Priority MEDIUM 48CWE-787Published · Updated
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 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Insufficient checks in the USB packet handling of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow out-of-bounds writes in the .bss segment via crafted messages. The vulnerability could allow code execution or other forms of impact. It can be triggered by unauthenticated attackers and the interface is reachable via WebUSB.
Why it matters now
EPSS 0.03271 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-18671
- 2026-10-03 Alias added: GHSA-xf55-34cc-4qxw
References
Advisory 2
More Keepkey Firmware vulnerabilities
- TI-2022-12565 In the KeepKey firmware before 7.3.2,Flaws in the supervisor interface can be exploited… CVSS 3.1MEDIUM 6.6
Sources
- CVE-2019-18671 · CVE Program
- CVE-2019-18671 · NVD
- FIRST EPSS
- GHSA-xf55-34cc-4qxw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences