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
sound4: impact firmware; sound4: impact; sound4: pulse firmware; sound4: pulse; sound4: first firmware; sound4: first; sound4: impact eco firmware; sound4: impact eco; sound4: pulse eco firmware; sound4: pulse eco; sound4: big voice4 firmware; sound4: big voice4; sound4: big voice2 firmware; sound4: big voice2; sound4: wm2 firmware
References5
- packetstormsecurity.com/files/170268/SOUND4-IMPACT-FIRST-PULSE-… ExploitThird Party AdvisoryVDB Entry
- www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5741.php ExploitThird Party Advisory
- exchange.xforce.ibmcloud.com/vulnerabilities/247951 Third Party Advisory
- www.sound4.com/ Product
- www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauth… Third Party Advisory
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
9.3
CRITICAL
Score source: CNA
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 - EPSS — exploit probability
- 2% percentile: 76 · as of 11 November 2026
- CWE
- CWE-22
Could this be exploited in your environment?
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