CVE-2025-15083

TOZED ZLT M30s UART on-chip debug and test interface with improper access control

MEDIUM
4.6
CVSS Score
Published: December 25, 2025 at 05:32 PM UTC
Updated: October 7, 2026 at 01:10 PM UTC
2 products affected across 2 vendorsZlt M30S FirmwareZLT M30S

Using ZLT M30s by TOZED?

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Severity
MEDIUM4.6
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryThird Party Advisory
Source: cverecord
https://vuldb.com/?id.338411
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.338411
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.707974
ExploitThird Party Advisory
Source: cverecord
https://hacklab.eu.org/blogs/zlt_m30s_debug_interface

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1191

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