CVE-2021-31611
Medium
Description
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.
SeverityMedium
CVSS5.7
Exploit probability—
ProductZh-jieli Ac6901 Firmware
PublishedSep 7, 2021
First seenSep 7, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zh-jieli ac6901_firmware | No range specified | — |
| zh-jieli ac6925_firmware | No range specified | — |
| zh-jieli ac6926_firmware | No range specified | — |
| zh-jieli ac6928_firmware | No range specified | — |
| zh-jieli ac6921_firmware | No range specified | — |
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