CVE-2022-50696: SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Hardcoded Credentials Authentication Bypass

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-12-30 · updated 2026-06-17
Weakness: CWE-798

Description

SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain hardcoded credentials embedded in server binaries that cannot be modified through normal device operations. Attackers can leverage these static credentials to gain unauthorized access to the device across Linux and Windows distributions without requiring user interaction.

Affected products

Sound4 Big Voice2 Firmware: 1.30
Sound4 Big Voice4 Firmware: 1.2
Sound4 First Firmware: 2.15, 1.69
Sound4 Impact Eco Firmware: 1.16
Sound4 Impact Firmware: 2.15, 1.69
Sound4 Pulse Eco Firmware: 1.16
Sound4 Pulse Firmware: 2.15, 1.69
Sound4 Stream Extension: 2.4.29
Sound4 Wm2 Firmware: 1.11

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/247949
https://packetstormsecurity.com/files/170256/SOUND4-IMPACT-FIRST-PULSE-Eco-2.x-Hardcoded-Credentials.html
https://www.sound4.com/
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-hardcoded-credentials-authentication-bypass
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5729.php

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