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.
References (5)
Core 5
Core References
Exploit, Third Party Advisory third-party-advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5741.php
Exploit, Third Party Advisory, VDB Entry exploit
https://packetstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-upload.cgi-Code-Execution.html
Third Party Advisory vdb-entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/247951
Product product
https://www.sound4.com/
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-remote-code-execution-via-uploadcgi
Scores
CVSS v3
9.8
EPSS
0.0144
EPSS Percentile
69.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-22
Status
published
Products (12)
sound4/big_voice2_firmware
1.30
sound4/big_voice4_firmware
1.2
sound4/first_firmware
2.15
sound4/first_firmware
1.69
sound4/impact_eco_firmware
1.16
sound4/impact_firmware
2.15
sound4/impact_firmware
1.69
sound4/pulse_eco_firmware
1.16
sound4/pulse_firmware
2.15
sound4/pulse_firmware
1.69
... and 2 more
Published
Dec 30, 2025
Tracked Since
Feb 18, 2026