CVE-2025-15083: A vulnerability was determined in TOZED ZLT M30s up to 1.47

Q: How do I fix CVE-2025-15083?

zlt m30s firmware: upgrade to newer than 1.47. Exact commands for each OS are on this page.

Q: Is CVE-2025-15083 being exploited?

CVE-2025-15083 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-15083 affect?

CVE-2025-15083 affects zlt m30s firmware. Severity is low (CVSS 2.0). 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

Q: How urgent is CVE-2025-15083?

Priority 17/100. Public exploit reference

Routine

LOW 2.0UPGRADE

CVE-2025-15083 is a low-severity flaw (CVSS 2.0) affecting zlt m30s firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 w

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	2.0 (Low)
Attack vector	Physical
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-1191
Published	2025-12-25
Last modified	2026-10-07

Publisher (CNA): VulDB · Vendor: gztozed

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-25 18:15 UTCPublished CVE record published
2026-10-07 13:10 UTCUpdated Record last modified

gztozed zlt m30s firmware UPGRADE

Affected: <= 1.47

Fixed in: newer than 1.47

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-15083?

zlt m30s firmware: upgrade to newer than 1.47. Exact commands for each OS are on this page.

Is CVE-2025-15083 being exploited?

CVE-2025-15083 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-15083 affect?

CVE-2025-15083 affects zlt m30s firmware. Severity is low (CVSS 2.0). 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

How urgent is CVE-2025-15083?

Priority 17/100. Public exploit reference

Related CVEs

CVE-2025-15082 MEDIUM 5.3 UPGRADE A vulnerability was found in TOZED ZLT M30s up to 1.47

References

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