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CVE-2026-4584— Shenzhen HCC Technology MPOS M6 PLUS Cardholder Data cleartext transmission

Quick assessment

Affected
Shenzhen HCC Technology MPOS M6 PLUS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HCCTG MPOS M6 PLUS是中国华辰联创（HCCTG）公司的一款移动支付终端设备。 HCCTG MPOS M6 PLUS 1V.31-N版本存在安全漏洞，该漏洞源于组件Cardholder Data Handler以明文传输敏感信息。

CVSS 3.1 · Low EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-4584

Vulnerability Information
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Vulnerability Title
Shenzhen HCC Technology MPOS M6 PLUS Cardholder Data cleartext transmission
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
HCCTG MPOS M6 PLUS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCCTG MPOS M6 PLUS是中国华辰联创（HCCTG）公司的一款移动支付终端设备。 HCCTG MPOS M6 PLUS 1V.31-N版本存在安全漏洞，该漏洞源于组件Cardholder Data Handler以明文传输敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N -

II. Public POCs for CVE-2026-4584

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III. Intelligence Information for CVE-2026-4584

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Vendor Advisories for CVE-2026-4584 (2)

Exploits & Public PoCs for CVE-2026-4584 (1)

Same Patch Batch · Shenzhen HCC Technology · 2026-03-23 · 3 CVEs total

CVE-2026-4582 5.0 MEDIUM Shenzhen HCC Technology MPOS M6 PLUS Bluetooth missing authentication
CVE-2026-4583 5.0 MEDIUM Shenzhen HCC Technology MPOS M6 PLUS Bluetooth authentication replay

IV. Related Vulnerabilities

Same product: MPOS M6 PLUS
Same vendor: Shenzhen HCC Technology
Same weakness: CWE-319

V. Comments for CVE-2026-4584

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