Cyber Resilience

CVE-2022-50789

HighPublic PoC

Published: 30 December 2025

Published
30 December 2025
Modified
16 January 2026
KEV Added
—
Patch
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CVSS Score v4 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0374 88.5th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2022-50789 is a high-severity OS Command Injection (CWE-78) vulnerability in Sound4 Impact Firmware. Its CVSS base score is 8.5 (High).

Operationally, ranked in the top 11.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

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…

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vulnerable dns.php script, which triggers command execution and then deletes the file.

CWE(s)
CWE-78

Related Threats

CVEs Like This One

CVE-2023-53963Same product: Sound4 Big Voice2
CVE-2022-50795Same product: Sound4 Big Voice2
CVE-2022-50793Same product: Sound4 Big Voice2
CVE-2022-50791Same product: Sound4 Big Voice2
CVE-2022-50794Same product: Sound4 Big Voice2
CVE-2022-50796Same product: Sound4 Big Voice2
CVE-2023-53962Same product: Sound4 Big Voice2
CVE-2023-53964Same product: Sound4 Big Voice2
CVE-2023-53955Same product: Sound4 Big Voice2
CVE-2022-50792Same product: Sound4 Big Voice2

Affected Assets

sound4
impact firmware
1.69, 2.15
sound4
pulse firmware
1.69, 2.15
sound4
first firmware
1.69, 2.15
sound4
impact eco firmware
1.16
sound4
pulse eco firmware
1.16
sound4
big voice4 firmware
1.2
sound4
big voice2 firmware
1.30
sound4
wm2 firmware
1.11
sound4
stream extension
2.4.29

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References