CVE-2025-1616
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 vulnerability, which was classified as critical, has been found in FiberHome AN5506-01A ONU GPON RP2511. Affected by this issue is some unknown functionality of the component Diagnosis. The manipulation of the argument Destination Address leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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 · moderate confidenceOS command injection vulnerability in FiberHome AN5506-01A GPON ONU (RP2511 firmware) allows remote attackers to execute arbitrary OS commands via the 'Destination Address' parameter in the Diagnosis component. The critical severity (CVSS 9.8) reflects the device's exposure on network perimeter and availability of public exploits.
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= rp2511CVSS 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
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 the device modelCheck the device label or access the web management interface to confirm the model is FiberHome AN5506-01A GPON ONUAffected if The device model is not FiberHome AN5506-01A, then it is not affected by this specific CVE
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Confirm firmware versionAccess the device web interface or check via SNMP to determine the installed firmware version; look for version information in the system status or device info pageAffected if The firmware version is exactly rp2511, which is the affected version listed in the CVE
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Check if web management interface is accessibleAttempt to access the device web interface over HTTP/HTTPS from the network; verify the management port is listeningAffected if The web interface is exposed to untrusted networks, the device could be exploited via this vulnerability
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Verify Diagnosis component accessibilityLog into the web interface and navigate to the Diagnosis or diagnostic feature section; check if this component is enabled and accessibleAffected if The Diagnosis component is accessible to an attacker, the command injection can be triggered via the 'Destination Address' parameter
The device is affected if it is a FiberHome AN5506-01A with firmware version rp2511 and the Diagnosis component or management interface is accessible to untrusted networks.
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 dataImplement strict network segmentation and firewall rules to restrict management interface access to trusted sources only; if the device cannot be patched, consider replacement with a supported model as vendor has not responded to disclosure.
- Consultation6.0 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-2025-1616 — 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-2025-1616 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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