CVE-2025-15083
TOZED ZLT M30s UART on-chip debug and test interface with improper access control
- State
- Published
- Severity
- 1.0 Low
- Published
- Dec 25, 2025
- Updated
- Dec 30, 2025
- Reserved
- Dec 25, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 1.0 Low | CVSS: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 | VulDB |
| 3.1 | 2.0 Low | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 2.0 Low | CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 1.2 Low | AV:L/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-1191 On-Chip Debug and Test Interface With Improper Access Control
Affected Products
| Product | Versions |
|---|---|
ZLT M30sTOZED |
|
References
- VDB-338411 | TOZED ZLT M30s UART on-chip debug and test interface with improper access controlvdb-entry
- VDB-338411 | CTI Indicators (IOB, IOC)signaturepermissions-required
- Submit #707974 | TOZED ZLT M30s 1.47 Improper Access Control in Debug Interfacethird-party-advisory
- https://hacklab.eu.org/blogs/zlt_m30s_debug_interfaceexploit
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