Home/CVE/A flaw has been found in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. This affects an unknown part of the component Car
CVE

CVE-2026-4584

A flaw has been found in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. This affects an unknown part of the component Car

A flaw has been found in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. This affects an unknown part of the component Cardholder Data Handler. Executing a manipulation can lead to cleartext transmission of sensitive information.

The attack requires access to the local network. The attack requires a high level of complexity. It is indicated that the exploitability is difficult.

The vendor was contacted early about this disclosure but did not respond in any way.

LOW · CVSS 3.1 EPSS 8e-05
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-319Cleartext Transmission of Sensitive Information
▣

Scoring & Timeline

3.1
LOW · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Mar 2026 · 12:16 PM
CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/Davim09/m6plusexploit/blob/main/docs/CVE-3-DataExposure.md
https://vuldb.com/?ctiid.352421
https://vuldb.com/?id.352421
https://vuldb.com/?submit.775435
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