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Description

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.

PUBLISHED Reserved 2026-03-22 | Published 2026-03-23 | Updated 2026-03-23 | Assigner VulDB




LOW: 2.3CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 3.1CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
LOW: 3.1CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
1.8AV:A/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

Cleartext Transmission of Sensitive Information

Cryptographic Issues

Product status

1V.31-N
affected

Timeline

2026-03-22:Advisory disclosed
2026-03-22:VulDB entry created
2026-03-22:VulDB entry last update

Credits

davimo (VulDB User) reporter

VulDB coordinator

References

vuldb.com/?id.352421 (VDB-352421 | Shenzhen HCC Technology MPOS M6 PLUS Cardholder Data cleartext transmission) vdb-entry

vuldb.com/?ctiid.352421 (VDB-352421 | CTI Indicators (IOB, IOC, TTP)) signature permissions-required

vuldb.com/?submit.775435 (Submit #775435 | Shenzhen HCC Technology Co., Ltd M6PLUS MPOS M6PLUS-FW-1V.31-N Cleartext Sensitive Data Transmission) third-party-advisory

github.com/...usexploit/blob/main/docs/CVE-3-DataExposure.md exploit

cve.org (CVE-2026-4584)

nvd.nist.gov (CVE-2026-4584)

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