CVE-2019-13412
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 · uneditedA service which is hosted on port 3097 in HiNet GPON firmware < I040GWR190731 allows an attacker to execute a specific command to read arbitrary files. CVSS 3.0 Base score 9.3. CVSS vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L).
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 confidenceA command injection vulnerability in the service on port 3097 of HiNet GPON firmware versions prior to I040GWR190731 allows unauthenticated remote attackers to execute specific commands to read arbitrary files from the device's filesystem. The CVSS vector indicates a network-exploitable flaw with no user interaction or privileges required, achieving high confidentiality impact.
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 data< i040gwr190731CVSS 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 HiNet GPON deviceAccess the device's admin interface or check the device model number on the physical device or in its network configuration. Confirm the device is a HiNet GPON optical network terminal or router.Affected if The device is not a HiNet GPON product, then this CVE does not apply.
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Check firmware versionLog into the device's web admin panel or access via SSH/Telnet to view system information or firmware version. The version is typically displayed under 'System Status', 'Device Info', or similar menu. Compare the version string to 'i040gwr190731'.Affected if The installed firmware version is earlier than i040gwr190731 (for example, i040gwr190101 or older), indicating the device is within the affected version range.
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Verify port 3097 is listeningFrom a trusted internal host, run a port scan against the device: 'nmap -p 3097 <device_ip>' or use 'netcat -zv <device_ip> 3097'. Alternatively, check on the device itself using 'netstat -tuln | grep 3097' or 'ss -tuln | grep 3097' if you have shell access.Affected if Port 3097 is open and accepting connections, meaning the vulnerable service is exposed.
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Confirm service accessibilityIf the device is on an internal network, verify whether port 3097 is reachable from network segments where untrusted users could originate traffic. Check firewall rules or ACLs that may permit or block access to this port.Affected if Port 3097 is reachable from network segments with untrusted users or directly from the internet, increasing exposure to remote exploitation.
If the device is a HiNet GPON with firmware version earlier than i040gwr190731 and port 3097 is exposed on the network, the environment is affected by this CVE.
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 dataUpgrade HiNet GPON firmware to version I040GWR190731 or later. If immediate patching is not possible, restrict network access to port 3097 via firewall rules or disable the vulnerable service until the update can be applied.
- Consultation4.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-13412 — 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-2019-13412 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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- Version or environment caveats, and links to real fixes
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