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

Critical 9.3 Published Updated

Attackers can use hardcoded credentials in SOUND4 broadcast software to gain unauthorized access and control over the system.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-50696?

CVE-2022-50696 is a critical vulnerability in Kantar Media BigVoice2, published on 30 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-798

Which versions are affected by CVE-2022-50696?

It affects 9 products.

Products include Sound4 Big Voice2 Firmware, Sound4 Big Voice4 Firmware, Sound4 First Firmware, Sound4 Impact Eco Firmware, Sound4 Impact Firmware, Sound4 Pulse Eco Firmware and 3 more.

How do I fix CVE-2022-50696?

No fix has been published for CVE-2022-50696 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-50696 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50696 exists.

Sources

Also known as GHSA-7fvm-m3gq-pf2p.

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