What is CVE-2025-30140?

CVE-2025-30140 is a high-severity vulnerability in Gnetsystem G-onx, classified under Improper Access Control. CVSS score: 7.5/10. Published 2025-03-18.

How severe is CVE-2025-30140?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2025-30140 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Gnetsystem G-onx

CVE-2025-30140

An issue was discovered on G-Net Dashcam BB GONX devices. A Public Domain name is Used for the Internal Domain Name. It uses an unregistered public domain name as an internal domain, creating a security risk. This domain was not owned by G…

EPSS: 0.003 (25.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

Public proof-of-concept exploits

geo-chen/GNET

References

cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-30140?: CVE-2025-30140 is a high-severity vulnerability in Gnetsystem G-onx, classified under Improper Access Control. CVSS score: 7.5/10. Published 2025-03-18.
How severe is CVE-2025-30140?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-30140 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.