Path Traversal in Kantar Media Wm2
CVE-2022-50796
SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware upload functionality with path traversal flaw. Attackers can exploit the upload.cgi script to write malicious files to the system with www-data permissions, enabling unauthorized access and code execution.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.016 (74.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kantar Media Wm2 — versions 1.11
- Sound4 Big_voice2
- Sound4 Big_voice2_firmware — versions 1.30
- Sound4 Big_voice4
- Sound4 Big_voice4_firmware — versions 1.2
- Sound4 First — versions 2.0, 1.0
- Sound4 First_firmware — versions 2.15, 1.69
- Sound4 Impact — versions 2.0, 1.0
- Sound4 Impact_eco
- Sound4 Impact_eco_firmware — versions 1.16
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, Third Party Advisory, third-party-advisory)
- disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Third Party Advisory, vdb-entry)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2022-50796?
- CVE-2022-50796 is a critical-severity vulnerability in Kantar Media Wm2, classified under Path Traversal. CVSS score: 9.8/10. Published 2025-12-30.
- How severe is CVE-2022-50796?
- Critical severity. CVSS v3 base score is 9.8 out of 10.