SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x Hardcoded Credentials Authentication Bypass

Advisories

severity: critical
date: December 30, 2025
Affecting: Impact/Pulse/First Version 2: 1.1/2.15
Impact/Pulse Eco 1.16
BigVoice4 1.2
BigVoice2 1.30
Stream 1.1/2.4.29
WM2 1.11
CVE: CVE-2022-50696
CWE: CWE-798 Use of Hard-coded Credentials
CVSS: 9.3
CVSS V4 Vector: 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
References: Zero Science Lab Disclosure (ZSL-2022-5729)
Packet Storm Security Exploit Details
IBM X-Force Vulnerability Exchange Entry
SOUND4 Product Homepage
Credit: LiquidWorm as Gjoko Krstic of Zero Science Lab
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.