E11 FirmwareOperating system · Akuvox

CVE-2023-0349

CRITICAL · 9.1 CVSS v3.1 Published 2023-03-13
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
The Akuvox E11 libvoice library provides unauthenticated access to the camera capture for image and video. This could allow an attacker to view and record image and video from the camera.

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 Akuvox E11 device's libvoice library exposes camera capture functionality without requiring authentication, allowing remote attackers to view and record video/images from the device's camera without any credentials.

MitigationApply vendor firmware updates when available; otherwise, isolate the device on a restricted network segment and implement firewall rules to limit exposure to trusted sources only.

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
E11 FirmwareOperating system
Affected:all versions

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
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 checks

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

  1. Identify Akuvox E11 devices on your network
    Locate devices by checking device labels, management interface, or using network discovery tools to identify the model number
    Affected if Device model is confirmed as Akuvox E11
  2. Confirm firmware version
    Access the device management interface or use firmware retrieval commands to obtain the installed firmware version
    Affected if Any firmware version is returned (all versions are affected)
  3. Verify libvoice service availability
    Check if the libvoice library service is running and accessible on the device, typically by scanning for open ports associated with the camera streaming functionality
    Affected if libvoice service is detected and accessible on the network
  4. Test camera authentication requirement
    Attempt to access camera capture endpoints (such as RTSP or HTTP interfaces used by libvoice) without providing credentials to verify if authentication is enforced
    Affected if Camera feed or images can be accessed without any authentication credentials
  5. Check network exposure of camera interface
    Review firewall rules and network segmentation to determine if the device camera ports are reachable from untrusted network segments
    Affected if Camera interface is accessible from networks outside of trusted management segments

If an Akuvox E11 device is present on your network with its libvoice camera service accessible, the device is affected since all firmware versions lack authentication on this service.

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

Apply vendor firmware updates when available; otherwise, isolate the device on a restricted network segment and implement firewall rules to limit exposure to trusted sources only.

Fix this in E11 Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing3.0 h
  • Review / QA2.0 h
17.0 hours of engineering $3,050
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2023-0349 — 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-2023-0349 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