CVE-2026-4582 Shenzhen HCC Technology MPOS M6 PLUS Bluetooth missing authentication

Low 2.3 Published Updated

Attackers on the local network can bypass Bluetooth authentication on Shenzhen HCC MPOS M6 PLUS terminals, potentially accessing device functionality.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-4582?

CVE-2026-4582 is a low-severity authentication bypass vulnerability in Shenzhen HCC Technology MPOS M6 PLUS, published on 23 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A security vulnerability has been detected in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. Affected by this vulnerability is an unknown functionality of the component Bluetooth. Such manipulation leads to missing authentication. The attack must be carried out from within the local network. Attacks of this nature are highly complex. The exploitation appears to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-306, CWE-287

Which versions are affected by CVE-2026-4582?

How do I fix CVE-2026-4582?

No fix has been published for CVE-2026-4582 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-4582 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4582 exists.

Sources

Also known as GHSA-q5mc-rx2x-2mqv.

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