Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware before…
Priority MEDIUM 43CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- 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 length checks in the ShapeShift KeepKey hardware wallet firmware before 7.1.0 allow a stack buffer overflow via crafted messages. The overflow in ethereum_extractThorchainSwapData() in ethereum.c can circumvent stack protections and lead to code execution. The vulnerable interface is reachable remotely over WebUSB.
Why it matters now
EPSS 0.02497 84th 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
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
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:shapeshift:keepkey_firmware:*:*:*:*:*:*:*:* | 7.0.3 to before 7.1.0 | Vulnerable | Shapeshift |
| cpe:2.3:h:shapeshift:keepkey:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Shapeshift |
- cpe:2.3:o:shapeshift:keepkey_firmware:*:*:*:*:*:*:*:* Versions 7.0.3 to before 7.1.0 Vulnerable ·Shapeshift
- cpe:2.3:h:shapeshift:keepkey:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Shapeshift
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31616
- 2026-10-03 Alias added: GHSA-jjq4-78fg-7j7h
References
More Shapeshift Keepkey Firmware vulnerabilities
- TI-2023-12483 Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware before… CVSS 3.1MEDIUM 5.7
- TI-2018-05022 Format String vulnerability in KeepKey version 4.0.0 allows attackers to trigger… CVSS 3.0HIGH 7.5
- TI-2019-13510 Insufficient checks in the finite state machine of the ShapeShift KeepKey hardware wallet… CVSS 3.1HIGH 7.5
- TI-2019-10699 On ShapeShift KeepKey devices, a side channel for the row-based OLED display was found. CVSS 3.0LOW 2.4
Sources
- CVE-2021-31616 · CVE Program
- CVE-2021-31616 · NVD
- FIRST EPSS
- GHSA-jjq4-78fg-7j7h · 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