Auth bypass in Shenzhen Hcc Technology Mpos M6 Plus
CVE-2026-4582
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (30.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Shenzhen Hcc Technology Mpos M6 Plus — versions 1V.31-N
Weakness classification (CWE)
References
- vuldb.com/vuln/352419 (vdb-entry)
- vuldb.com/vuln/352419/cti (signature, permissions-required)
- vuldb.com/submit/775433 (third-party-advisory)
- github.com/Davim09/m6plusexploit/blob/main/docs/CVE-1-Authentication.md (exploit)
Frequently asked questions
- What is CVE-2026-4582?
- CVE-2026-4582 is a medium-severity vulnerability in Shenzhen Hcc Technology Mpos M6 Plus, classified under Improper Authentication. CVSS score: 5.0/10. Published 2026-03-23.
- How severe is CVE-2026-4582?
- Medium severity. CVSS v3 base score is 5.0 out of 10.