CVE-2022-50796

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Unauthenticated Remote Code Execution via upload.cgi

CVSS 9.3 CRITICALEPSS 1.4%CWE-22

Vexday Risk Score

48Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 9.3EPSS 1.4%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

30 Dec 2025Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

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

Affected products

Kantar Media · WM2 SOUND4 Ltd. · BigVoice2 SOUND4 Ltd. · BigVoice4 SOUND4 Ltd. · Impact/Pulse Eco SOUND4 Ltd. · Impact/Pulse/First SOUND4 Ltd. · Stream

public PoCs found — 1

cve_referencepacketstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-upload.cgi-Code-Execution.htmlunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://exchange.xforce.ibmcloud.com/vulnerabilities/247951 https://packetstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-upload.cgi-Code-Execution.html https://www.sound4.com/https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-remote-code-execution-via-uploadcgi https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5741.php