Camera FirmwareOperating system · Vivotek

CVE-2024-26548

CRITICAL · 9.8 CVSS v3.1 Published 2024-02-29
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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 · unedited
An issue in vivotek Network Camera v.FD8166A-VVTK-0204j allows a remote attacker to execute arbitrary code via a crafted payload to the upload_file.cgi component.

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 confidence

A command injection vulnerability exists in the upload_file.cgi component of Vivotek FD8166A-VVTK-0204j network cameras. The web interface fails to properly sanitize or validate uploaded file parameters, allowing an unauthenticated remote attacker to inject and execute arbitrary operating system commands on the device.

MitigationIsolate camera networks behind firewalls or VLANs to prevent external access to web interfaces; if a vendor firmware patch is available, apply it immediately; otherwise consider replacing affected devices with patched models.

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
Camera FirmwareOperating system
Affected:= v.fd8166a-vvtk-0204j

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
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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify camera model
    Access the camera web interface or check the device label to confirm the model is Vivotek FD8166A-VVTK
    Affected if Device is a Vivotek FD8166A-VVTK camera
  2. Check firmware version
    Log into the camera web interface and navigate to the system information or firmware version page, or use the camera's API to query the firmware version
    Affected if Firmware version is exactly v.fd8166a-vvtk-0204j
  3. Verify web interface accessibility
    Attempt to reach the camera's web interface from the network segment you are analyzing (typically ports 80 or 443)
    Affected if The web interface is exposed and reachable from an untrusted network segment
  4. Test upload_file.cgi endpoint
    Send an HTTP request to /cgi-bin/upload_file.cgi on the camera's web server to confirm the endpoint exists and is accessible
    Affected if The upload_file.cgi endpoint responds and accepts requests
  5. Review for indicators of compromise
    Check camera system logs for suspicious upload requests, look for unexpected files in web-accessible directories, or examine running processes for unauthorized command execution
    Affected if Logs show unusual upload activity, unexpected files exist, or unfamiliar processes are running on the device

The device is affected if it is a Vivotek FD8166A-VVTK model running firmware version v.fd2166a-vvtk-0204j with an accessible web interface.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Isolate camera networks behind firewalls or VLANs to prevent external access to web interfaces; if a vendor firmware patch is available, apply it immediately; otherwise consider replacing affected devices with patched models.

Fix this in Camera Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-26548 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • 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
  • No spam, self-promotion, credentials, or personal data