CVE-2022-50796

published 2025-12-30

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…

Priority P2 68 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

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

18 ranges

Vendor	Product	Version range	Fixed in
kantar_media	wm2	—	—
sound4	big_voice2_firmware	—	—
sound4	big_voice4_firmware	—	—
sound4	first_firmware	—	—
sound4	first_firmware	—	—
sound4	impact_eco_firmware	—	—
sound4	impact_firmware	—	—
sound4	impact_firmware	—	—
sound4	pulse_eco_firmware	—	—
sound4	pulse_firmware	—	—
sound4	pulse_firmware	—	—
sound4	stream_extension	—	—
sound4	wm2_firmware	—	—
sound4_ltd	bigvoice2	—	—
sound4_ltd	bigvoice4	—	—
sound4_ltd	impact_pulse_eco	—	—
sound4_ltd	impact_pulse_first	—	—
sound4_ltd	stream	—	—

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v4.0 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

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-22