CVE-2026-4583

A vulnerability was detected in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. Affected by this issue is some unknown functionality of the component Bluetooth Handler. Performing a manipulation results in authentication bypass by capture-replay. The attack must originate from the local network. The attack is considered to have high complexity. The exploitation is known to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v4.0

1.3 LOWCVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

5.0 MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0

4.3 MEDIUMAV:A/AC:H/Au:N/C:P/I:P/A:P

EPSS

0.29% chance of exploitation in the next 30 days, 21th percentile

Published

2026-03-23

Updated

2026-03-25

Proof-of-concept exploits (1)

• Davim09/m6plusexploit/blob/main/docs/CVE-2-Replay.md

References

• CVE Record
• NVD entry

Related

• CVE-2026-4582
• CVE-2026-4584
• CVE-2026-45829
• CVE-2026-45833
• CVE-2026-4581
• CVE-2026-4585