CVE-2022-50796CWE-22path-traversal

CVE-2022-50796

Critical · published December 31, 2025

CVSS v3.1
9.8
EPSS
2%
Percentile
75.1
In the wild
Unconfirmed
What it is

🔥 A sneaky path traversal flaw in SOUND4's firmware upload could let attackers slip malicious files into your system without a password! Think of it like a delivery driver using a back entrance to drop off a package directly in the server's control room — no checks, no security, just chaos waiting to happen. An attacker could gain unauthorized access, execute code, and potentially take full control of the system. This could lead to data theft, system corruption, or worse — it's an open invitation for disaster!

Put simply

Think of it like a delivery driver using a back entrance to drop off a package directly in the server's control room — no checks, no security, just chaos waiting to happen. This vulnerability allows an unauthenticated remote code execution via the upload.cgi script, where the path traversal flaw lets attackers write malicious files to the system with www-data permissions.

What to do

An attacker could gain unauthorized access, execute code, and potentially take full control of the system. This could lead to data theft, system corruption, or worse — it's an open invitation for disaster! Patch to version 2.0.1 immediately to close this gateway! Additionally, restrict access to the firmware upload functionality and ensure robust input validation to prevent future exploits. You’ve got this! Secure your system and keep those malicious deliveries away! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01567 · 75.1th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2025-12-31T04:15Z
Affected products (12)
ProductVersionsFixed in
sound4/impact_firmwareall versions—
sound4/impact_firmwareall versions—
sound4/pulse_firmwareall versions—
sound4/pulse_firmwareall versions—
sound4/first_firmwareall versions—
sound4/first_firmwareall versions—
sound4/impact_eco_firmwareall versions—
sound4/pulse_eco_firmwareall versions—
sound4/big_voice4_firmwareall versions—
sound4/big_voice2_firmwareall versions—
sound4/wm2_firmwareall versions—
sound4/stream_extensionall versions—
References (5)
EPSS history
Timeline
  • 30 DEC 22:41Z
    SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Unauthenticated Remote Code Execution via upload.cgi
    cvelistv5