CVE-2021-31611 is a medium-severity denial-of-service vulnerability affecting Zhuhai Jieli AC690X and AC692X Bluetooth Classic devices. An attacker within radio range can send a crafted Link Manager Protocol (LMP) packet to deadlock the device, requiring a manual reboot to restore functionality. The vulnerability has a CVSS score of 5.7, indicating a low attack complexity with no user interaction required, but it only impacts availability. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion and media coverage, suggesting awareness among researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:zh-jieli:ac6901_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:zh-jieli:ac6925_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:zh-jieli:ac6926_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:zh-jieli:ac6928_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:zh-jieli:ac6921_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.0 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.