Cleartext Transmission Vulnerability in Shenzhen HCC Technology MPOS M6 PLUS
CVE-2026-4584

2.3LOW

Key Information:

Vendor

Shenzhen Hcc Technology

Status
Mpos M6 Plus
Vendor
CVE Published:
23 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4584?

A flaw in the Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N poses a significant risk due to inappropriate handling of cardholder data. This vulnerability allows for the potential cleartext transmission of sensitive information over the local network, exposing it to unauthorized access. Exploiting this issue requires a complex technical approach and a high degree of network access, making it particularly challenging for attackers. Despite attempts to notify the vendor about this vulnerability, there has been no response, leaving users at risk of data exposure.

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Affected Version(s)

MPOS M6 PLUS 1V.31-N

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-4584 - Proof of Concept

References

https://vuldb.com/?id.352421
vdb-entry
https://vuldb.com/?ctiid.352421
signaturepermissions-required
https://vuldb.com/?submit.775435
third-party-advisory

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

davimo (VulDB User)
VulDB
JSON
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