CVE-2025-15083: Gztozed Zlt m30s Firmware

Medium severity, CVSS 4.6. EPSS: 0.3% chance of exploitation in the next 30 days.

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 products

• Gztozed Zlt m30s Firmware: up to and including 1.47

Published 2025-12-25. Last modified 2026-10-07.