CVE-2022-50796
SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Unauthenticated Remote Code Execution via upload.cgi
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.3
SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Unauthenticated Remote Code Execution via upload.cgi
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.
- Record
CVE-2022-50796- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2022-55930
9.3
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.
- Record
EUVD-2022-55930- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hv34-rhhr-q53f
9.3
SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution...
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.
- Record
GHSA-hv34-rhhr-q53f- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
9.3
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.
- Record
CVE-2022-50796- CVSS 4.0
- 9.3 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
- kantar media wm2
- sound4 big voice2 firmware
- sound4 big voice4 firmware
- sound4 first firmware
- sound4 impact eco firmware
- sound4 impact firmware
- sound4 pulse eco firmware
- sound4 pulse firmware
- sound4 stream extension
- sound4 wm2 firmware
- sound4 ltd. bigvoice2
- sound4 ltd. bigvoice4
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History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-50796 is a critical vulnerability (CVSS 9.3) in Kantar Media Wm2, published December 30, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. No source names a fixed version.
References
zeroscience.mk/en/vulnerabilities/ZSL-2022-5741.php
packetstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-upload.cgi-Code-Execution.html
exchange.xforce.ibmcloud.com/vulnerabilities/247951
sound4.com
vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-remote-code-execution-via-uploadcgi
nvd.nist.gov/vuln/detail/CVE-2022-50796
github.com/advisories/GHSA-hv34-rhhr-q53f