The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not…
Priority LOW 26CWE-667Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-667 and the CVSS impact.
Summary
The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle an out-of-order LMP Setup procedure that is followed by a malformed LMP packet, allowing attackers in radio range to deadlock a device via a crafted LMP packet. The user needs to manually reboot the device to restore communication.
Why it matters now
EPSS 0.00369 30th 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
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:zh-jieli:ac6901_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6901:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6925_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6925:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6926_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6926:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6928_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6928:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6921_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6921:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
- cpe:2.3:o:zh-jieli:ac6901_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6901:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6925_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6925:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6926_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6926:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6928_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6928:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6921_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6921:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31611
- 2026-10-03 Alias added: GHSA-grq2-2v86-6ppx
References
More Zh-jieli Ac6901 Firmware vulnerabilities
- TI-2021-11712 The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not… CVSS 3.1MEDIUM 6.5
- TI-2021-11711 The Bluetooth Classic implementation on Zhuhai Jieli AC690X devices does not properly… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2021-31611 · CVE Program
- CVE-2021-31611 · NVD
- FIRST EPSS
- GHSA-grq2-2v86-6ppx · 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