Impact FirmwareOperating system · Sound4

CVE-2022-50792

HIGH · 7.5 CVSS v3.1 Published 2025-12-30
No fix yet
No fix has been published. The vendor has not shipped a fixed release or patch. You remain exposed.
See remediation →
84/100
Remediation priority · High
Public exploit 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
SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain an unauthenticated file disclosure vulnerability that allows remote attackers to access sensitive system files. Attackers can exploit the vulnerability by manipulating the 'file' GET parameter to disclose arbitrary files on the affected device.

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
How this class of weakness works · CWE-22

A file path is built from user input without being confined, so sequences like “../” let an attacker step outside the intended directory. That can expose configuration, credentials, or source code, and in the worst case lets an attacker write files where they shouldn't. A durable fix resolves and canonicalises the path, then rejects anything that escapes a known-safe base directory.

General guidance for the path traversal class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

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
Impact FirmwareOperating system
Affected:= 2.15= 1.69
Pulse FirmwareOperating system
Affected:= 2.15= 1.69
First FirmwareOperating system
Affected:= 2.15= 1.69
Impact Eco FirmwareOperating system
Affected:= 1.16
Pulse Eco FirmwareOperating system
Affected:= 1.16
Big Voice4 FirmwareOperating system
Affected:= 1.2
Big Voice2 FirmwareOperating system
Affected:= 1.30
Wm2 FirmwareOperating system
Affected:= 1.11

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
None
Availability
None

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

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.

dbcve · scoped
Recommended fix Moderate confidence

Latest firmware version available from www.sound4.com for your specific device model (vendor has addressed versions 2.x and below)

  1. 1. Identify the specific SOUND4 device model (Impact, Pulse, First, Impact Eco, Pulse Eco, Big Voice4, Big Voice2, or Wm2) in your environment
  2. 2. Check the current firmware version installed on the device through the device's web interface or administrative console
  3. 3. Navigate to the official vendor website (www.sound4.com) to obtain the latest firmware version for your specific device model
  4. 4. Download the latest firmware version from the official vendor source
  5. 5. Back up current device configuration before performing the firmware upgrade
  6. 6. Follow the vendor's documented firmware upgrade procedure for your specific device
  7. 7. After upgrading, verify the device is operational and test that the file parameter is properly sanitized
  8. 8. Confirm the vulnerability is remediated by attempting to access a known sensitive file via the file parameter (should be denied)
Caveat Review vendor release notes for any configuration or feature changes between your current version and the latest version before upgrading

Generated from the published advisory — verify against the referenced sources before acting.

No vendor fix exists Impact Firmware has not published a patch for this.

There is no version to upgrade to and no patch to apply. Every affected install stays exposed until the vendor ships a fix — or somebody else builds one.

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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2022-50792 — 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-2022-50792 in production — separate from our analysis above.

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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