Auth bypass in Shenzhen Hcc Technology Mpos M6 Plus
CVE-2026-4583
A vulnerability was detected in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. Affected by this issue is some unknown functionality of the component Bluetooth Handler. Performing a manipulation results in authentication bypass by capture-re…
Vulnerability class: Broken Authentication
EPSS: 0.000 (9.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Shenzhen Hcc Technology Mpos M6 Plus — versions 1V.31-N
Weakness classification (CWE)
References
- VDB-352420 | Shenzhen HCC Technology MPOS M6 PLUS Bluetooth authentication replay (vdb-entry)
- VDB-352420 | CTI Indicators (IOB, IOC, TTP) (signature, permissions-required)
- Submit #775434 | Shenzhen HCC Technology Co., Ltd M6PLUS MPOS M6PLUS-FW-1V.31-N Missing Anti-Replay Protection (third-party-advisory)
- cna@vuldb.com (exploit)
Frequently asked questions
- What is CVE-2026-4583?
- CVE-2026-4583 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-2026-4583?
- Medium severity. CVSS v3 base score is 5.0 out of 10.