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Case File

CVE-2021-31612

MEDIUM · CVSS 6.5 EPSS 0.53% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-07 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-31612
Severity
MEDIUM
CVSS
6.5
EPSS
0.53%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)