SOUND4 Impact HTTP POST Request dns.php os command injection

Summaryinfo

A vulnerability labeled as critical has been found in SOUND4 Impact, Pulse, First, Pulse Eco, BigVoice4, BigVoice2 and Stream. This issue affects some unknown processing of the file dns.php of the component HTTP POST Request Handler. The manipulation results in os command injection. This vulnerability is known as CVE-2022-50789. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability was found in SOUND4 Impact, Pulse, First, Pulse Eco, BigVoice4, BigVoice2 and Stream. It has been classified as critical. Affected is an unknown part of the file dns.php of the component HTTP POST Request Handler. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains a command injection vulnerability that allows local authenticated users to create malicious files in the /tmp directory with .dns.pid extension. Unauthenticated attackers can execute the malicious commands by making a single HTTP POST request to the vulnerable dns.php script, which triggers command execution and then deletes the file.

The weakness was published by Gjoko Krstic as 170260. The advisory is available at zeroscience.mk. This vulnerability is traded as CVE-2022-50789 since 12/26/2025. The exploitability is told to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/17/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

By approaching the search of inurl:dns.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (247922). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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Vendor

• SOUND4

Name

• BigVoice2
• BigVoice4
• First
• Impact
• Pulse
• Pulse Eco
• Stream

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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