Vulnerability in Gnetsystem G-Onx

CVE-2025-30138

An issue was discovered on G-Net Dashcam BB GONX devices. Managing Settings and Obtaining Sensitive Data and Sabotaging Car Battery can be performed by unauthorized persons. It allows unauthorized users to modify critical system settings once connected to its network. Attackers can extract sensitive car and driver information, mute dashcam alerts to prevent detection, disable recording functionality, or even factory reset the device. Additionally, they can disable battery protection, causing the dashcam to drain the car battery when left on overnight. These actions not only compromise privacy but also pose potential physical harm by rendering the dashcam non-functional or causing vehicle battery failure.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-30138: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-30138?
CVE-2025-30138 is a medium-severity vulnerability in Gnetsystem G-Onx, classified under Improper Access Control. CVSS score: 4.6/10. Published 2025-03-18.
How severe is CVE-2025-30138?
Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2025-30138 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.