CVSS 4.0
9.3 criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NCVE-2022-50796
Critical (9.3) in sound4. EPSS 1.6% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- EPSS
- 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
- CWE
- CWE-22
- Published
- Modified
- Record from
- the NVD, synced
Affected
- 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
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