CVE-2025-6522
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 · uneditedUnauthenticated users on an adjacent network with the Sight Bulb Pro can run shell commands as root through a vulnerable proprietary TCP protocol available on Port 16668. This vulnerability allows an attacker to run arbitrary commands on the Sight Bulb Pro by passing a well formed JSON string.
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 Sight Bulb Pro exposes a proprietary TCP service on port 16668 that accepts JSON-formatted commands without authentication. An attacker on the adjacent network can send specially crafted JSON payloads to achieve arbitrary shell command execution with root privileges on the device.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS 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
- Adjacent
- Complexity
- Low
- Privileges
- High
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:U/C:L/I:H/A:L
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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Verify port 16668 is open on the Sight Bulb ProScan the device using nmap -p 16668 <device_ip> or netstat/ss -tlnp on the device itself to confirm port 16668 is listeningAffected if Port 16668 returns as open or listening
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Confirm the JSON command service accepts unauthenticated commandsSend a test JSON payload to port 16668 (e.g., echo '{"cmd":"test"}' | nc <device_ip> 16668) and observe if a response is received without any authentication stepAffected if The service responds to JSON commands without requiring any credentials or authentication exchange
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Check network exposure of port 16668Review firewall rules or network segmentation to determine if port 16668 is reachable from untrusted network segments or the general networkAffected if Port 16668 is accessible from networks outside a dedicated management VLAN
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Verify the device is reachable from adjacent networkAttempt a TCP connection to port 16668 from a non-management host on the same broadcast domain to confirm adjacent network accessibilityAffected if The port accepts connections from adjacent network hosts without network-level access controls
A user is affected if the Sight Bulb Pro has port 16668 open, the JSON command service responds without authentication, and the port is reachable from untrusted network segments.
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 dataIsolate the Sight Bulb Pro on a dedicated VLAN with strict firewall rules blocking inbound access to port 16668 from untrusted networks; monitor for suspicious JSON traffic on this port.
- Consultation4.0 h
- Implementation6.0 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-2025-6522 — 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-2025-6522 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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