CVE-2025-30139

Name: CVE-2025-30139
Creator: NVD / NIST
Published: 2025-03-18T20:15:26.597+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2025-30139 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered on G-Net Dashcam BB GONX devices. Default credentials for SSID cannot be changed. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

An issue was discovered on G-Net Dashcam BB GONX devices. Default credentials for SSID cannot be changed. It broadcasts a fixed SSID with default credentials that cannot be changed. This allows any nearby attacker to connect to the dashcam's network without restriction. Once connected, an attacker can sniff on connected devices such as the user's smartphone. The SSID is also always broadcasted.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.39%

30.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1392

Affected Software

Vendor	Product	Versions
Gnetsystem	G-Onx Firmware	All versions

References

https://github.com/geo-chen/GNETThird Party Advisory
https://www.gnetsystem.com/eng/product/list?viewMode=view&idx=246&ca_id=0201Product

Timeline

Published: Mar 18, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-30139?

How severe is CVE-2025-30139?

CVE-2025-30139 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2025-30139?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-30139?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST