Low severity · published Mar 23, 2026
CVE-2026-4584
Shenzhen HCC Technology MPOS M6 PLUS Cardholder Data cleartext transmission
3.1
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
MPOS M6 PLUS · Shenzhen HCC Technology
1V.31-N · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-4584
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-4584
github.com
https://github.com/Davim09/m6plusexploit/blob/main/docs/CVE-3-DataExposure.md
vuldb.com
https://vuldb.com/?ctiid.352421
vuldb.com
https://vuldb.com/?id.352421
vuldb.com
https://vuldb.com/?submit.775435
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