The Bluetooth Classic implementation on Zhuhai Jieli AC690X devices does not properly…
Priority LOW 30Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
The Bluetooth Classic implementation on Zhuhai Jieli AC690X devices does not properly handle the reception of an oversized LMP packet greater than 17 bytes during the LMP auto rate procedure, allowing attackers in radio range to trigger a deadlock via a crafted LMP packet.
Why it matters now
EPSS 0.00536 45th 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 · 24
| 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:ac690n_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac690n:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac692n_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac692n:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6902_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6902:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6903_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6903:-:*:*:*:*:*:*:* | 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:ac690n_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac690n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac692n_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac692n:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6902_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6902:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6903_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6903:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
Show 14 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:zh-jieli:ac6905_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6905:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6904_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6904:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6907_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6907:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6908_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6908:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6997_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6997:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6998_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6998:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
| cpe:2.3:o:zh-jieli:ac6999_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Zh-jieli |
| cpe:2.3:h:zh-jieli:ac6999:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Zh-jieli |
- cpe:2.3:o:zh-jieli:ac6905_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6905:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6904_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6904:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6907_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6907:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6908_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6908:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6997_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6997:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6998_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6998:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Zh-jieli
- cpe:2.3:o:zh-jieli:ac6999_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Zh-jieli
- cpe:2.3:h:zh-jieli:ac6999:-:*:*:*:*:*:*:* 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-2021-31612
- 2026-10-03 Alias added: GHSA-x3mf-x7jh-9gfw
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-2021-11710 The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not… CVSS 3.1MEDIUM 5.7
Sources
- CVE-2021-31612 · CVE Program
- CVE-2021-31612 · NVD
- FIRST EPSS
- GHSA-x3mf-x7jh-9gfw · 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