CVE-2022-50795: SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains a conditional command injection vulnerability that allows local a

Q: How do I fix CVE-2022-50795?

impact firmware: mitigate or apply the listed mitigation; pulse firmware: mitigate or apply the listed mitigation; first firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2022-50795 being exploited?

CVE-2022-50795 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-50795 affect?

CVE-2022-50795 affects impact firmware, pulse firmware, first firmware. Severity is high (CVSS 7.8). SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains a conditional command injection vulnerability that allows local authenticated users to create malicious files in the /tmp directory. Unauthenticated attackers can execute commands by making a sin

Q: How urgent is CVE-2022-50795?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

This month

HIGH 7.8MITIGATEMITIGATEMITIGATE

CVE-2022-50795 is a high-severity flaw (CVSS 7.8) affecting impact firmware, pulse firmware, first firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	4.2% (top 9%)
CISA exploited list	No
Weakness	CWE-78
Published	2025-12-30
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: sound4

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-30 23:15 UTCPublished CVE record published
2026-06-17 05:24 UTCUpdated Record last modified

sound4 impact firmware MITIGATE

Affected: 2.15 · 1.69

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.69

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sound4 pulse firmware MITIGATE

Affected: 2.15 · 1.69

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.69

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sound4 first firmware MITIGATE

Affected: 2.15 · 1.69

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.69

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sound4 impact eco firmware MITIGATE

Affected: 1.16

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.16

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sound4 pulse eco firmware MITIGATE

Affected: 1.16

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.16

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sound4 big voice4 firmware MITIGATE

Affected: 1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · php-pecl-yac · FIXED · 3.0.2-1.fc46 · FEDORA-2026-0322a78385 · source

sudo dnf upgrade --advisory=FEDORA-2026-0322a78385

Fedora ELN · openldap · FIXED · 2.6.16-1.eln159 · FEDORA-2026-4b30c86326 · source

sudo dnf upgrade --advisory=FEDORA-2026-4b30c86326

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5740.php

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-50795?

impact firmware: mitigate or apply the listed mitigation; pulse firmware: mitigate or apply the listed mitigation; first firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-50795 being exploited?

CVE-2022-50795 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-50795 affect?

CVE-2022-50795 affects impact firmware, pulse firmware, first firmware. Severity is high (CVSS 7.8). SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains a conditional command injection vulnerability that allows local authenticated users to create malicious files in the /tmp directory. Unauthenticated attackers can execute commands by making a sin

How urgent is CVE-2022-50795?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2023-53963 CRITICAL 9.8 MITIGATE MITIGATE SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated OS command injection vulnerability that allows
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References

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