Vulnerability · Published Dec 30, 2025 · Assigned by VulnCheck
CVE-2022-50796SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Unauthenticated Remote Code Execution via upload.cgi
Critical 9.8
In plain English
A critical-severity path traversal in WM2 from Kantar Media. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.6%top 24.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SOUND4 Ltd. | Impact/Pulse/First | Version 2: 1.1/2.15 |
| SOUND4 Ltd. | Impact/Pulse Eco | 1.16 |
| SOUND4 Ltd. | BigVoice4 | 1.2 |
| SOUND4 Ltd. | BigVoice2 | 1.30 |
| SOUND4 Ltd. | Stream | 1.1/2.4.29 |
| Kantar Media | WM2 | 1.11 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- Zero Science Lab Disclosure (ZSL-2022-5741) third-party-advisory
- Packet Storm Security Exploit Details exploit
- IBM X-Force Vulnerability Exchange Entry vdb-entry
- SOUND4 Product Homepage product
- VulnCheck Advisory: SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Unauthenticated Remote Code Execution via upload.cgi third-party-advisory