CVE-2025-30140
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAn 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 GNET originally, allowing an attacker to register it and potentially intercept sensitive device traffic (it has since been registered by the vulnerability discoverer). If the dashcam or related services attempt to resolve this domain over the public Internet instead of locally, it could lead to data exfiltration or man-in-the-middle attacks.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThe G-Net Dashcam BB GONX devices use an unregistered public domain name for internal network operations. Since this domain was not owned by GNET, an attacker could have registered it and configured DNS responses to intercept device traffic, perform man-in-the-middle attacks, or exfiltrate sensitive data if the device resolves the domain over the public Internet rather than locally.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify device model and firmwareAccess the device admin interface or check device documentation to confirm it is a G-Net Dashcam BB GONX device and note the firmware versionAffected if Device is a G-Net Dashcam BB GONX running any firmware version
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Identify domain used for internal operationsInspect network configuration, DNS settings, or device logs to find the domain name the device uses for internal network communications or cloud connectivityAffected if Device is configured to use a public domain name for internal operations that is not owned by GNET
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Verify domain registration statusPerform a WHOIS lookup or DNS lookup on the identified domain to check if it is registered and who owns it, or check if it uses RFC 1918 private address space (e.g., .local, 10.x.x.x, 192.168.x.x)Affected if The domain is publicly registered to an entity other than GNET, or resolves over the public internet instead of being confined to a local private network
The device is affected if it is a G-Net Dashcam BB GONX that uses an unregistered or third-party-owned public domain name for internal network operations instead of a properly registered GNET domain or RFC 1918 private address space.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataGNET should update firmware to use a properly registered domain owned by the organization or use RFC 1918 private address space (e.g., .local, 10.x.x.x) for internal communications. Users should verify their devices are running the latest firmware version containing the domain name fix.
- Consultation4.0 h
- Implementation12.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-30140 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-30140 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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