Wattbox Wb 300 Ip 3 FirmwareOperating system · Snapav

CVE-2023-22315

HIGH · 7.8 CVSS v3.1 Published 2023-01-30
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
80/100
Remediation priority · High
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
Snap One Wattbox WB-300-IP-3 versions WB10.9a17 and prior use a proprietary local area network (LAN) protocol that does not verify updates to the device. An attacker could upload a malformed update file to the device and execute arbitrary code.

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 confidence

The Wattbox WB-300-IP-3 versions WB10.9a17 and prior uses a proprietary LAN protocol for firmware updates that lacks cryptographic verification—no signature validation, checksum verification, or authentication of update sources. An attacker with network access can upload a malformed or malicious firmware update file to the device and achieve arbitrary code execution with elevated privileges.

MitigationSegment the affected device on an isolated VLAN or air-gapped network to limit exposure to trusted users only; since the Wattbox product line is discontinued, strongly consider replacing with a supported device; if the device must remain in service, implement network access controls and monitor for anomalous update traffic.

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
Wattbox Wb 300 Ip 3 FirmwareOperating system
Affected:<= wb10.9a17

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
Local
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/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 the device model
    Check the physical device label or access the device's web interface/system information to confirm it is a Wattbox WB-300-IP-3 model
    Affected if The device is a Wattbox WB-300-IP-3
  2. Determine the firmware version
    Access the device's web interface (typically via HTTP to the device's IP address) and navigate to the System or Firmware section to view the installed firmware version; alternatively, check the device label or documentation for firmware version information
    Affected if The firmware version is wb10.9a17 or earlier (any version <= wb10.9a17)
  3. Confirm the proprietary LAN update protocol is accessible
    Verify the device is reachable on the network and the firmware update interface (typically the device's web interface or a LAN-based update service) is accessible from your network segment
    Affected if The device's firmware update interface is network-accessible

You are affected if you have a Wattbox WB-300-IP-3 device running firmware version wb10.9a17 or earlier, and that device's firmware update functionality is accessible on your network.

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

Segment the affected device on an isolated VLAN or air-gapped network to limit exposure to trusted users only; since the Wattbox product line is discontinued, strongly consider replacing with a supported device; if the device must remain in service, implement network access controls and monitor for anomalous update traffic.

Fix this in Wattbox Wb 300 Ip 3 Firmware Scoped from the published advisory
  • Consultation6.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
34.0 hours of engineering $6,000
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2023-22315 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-22315 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