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Description

A vulnerability was determined in TOZED ZLT M30s up to 1.47. The affected element is an unknown function of the component UART Interface. Executing manipulation can lead to on-chip debug and test interface with improper access control. The physical device can be targeted for the attack. Attacks of this nature are highly complex. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2025-12-25 | Published 2025-12-25 | Updated 2025-12-30 | Assigner VulDB




LOW: 1.0CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 2.0CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
LOW: 2.0CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
1.2AV:L/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR

Problem types

On-Chip Debug and Test Interface With Improper Access Control

Product status

1.0
affected

1.1
affected

1.2
affected

1.3
affected

1.4
affected

1.5
affected

1.6
affected

1.7
affected

1.8
affected

1.9
affected

1.10
affected

1.11
affected

1.12
affected

1.13
affected

1.14
affected

1.15
affected

1.16
affected

1.17
affected

1.18
affected

1.19
affected

1.20
affected

1.21
affected

1.22
affected

1.23
affected

1.24
affected

1.25
affected

1.26
affected

1.27
affected

1.28
affected

1.29
affected

1.30
affected

1.31
affected

1.32
affected

1.33
affected

1.34
affected

1.35
affected

1.36
affected

1.37
affected

1.38
affected

1.39
affected

1.40
affected

1.41
affected

1.42
affected

1.43
affected

1.44
affected

1.45
affected

1.46
affected

1.47
affected

Timeline

2025-12-25:Advisory disclosed
2025-12-25:VulDB entry created
2025-12-25:VulDB entry last update

Credits

S33K3R (VulDB User) reporter

References

vuldb.com/?id.338411 (VDB-338411 | TOZED ZLT M30s UART on-chip debug and test interface with improper access control) vdb-entry

vuldb.com/?ctiid.338411 (VDB-338411 | CTI Indicators (IOB, IOC)) signature permissions-required

vuldb.com/?submit.707974 (Submit #707974 | TOZED ZLT M30s 1.47 Improper Access Control in Debug Interface) third-party-advisory

hacklab.eu.org/blogs/zlt_m30s_debug_interface exploit

cve.org (CVE-2025-15083)

nvd.nist.gov (CVE-2025-15083)

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