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Vulnerability record · CVE-2025-63220 · published 19 November 2025

CVE-2025-63220: Sound4 first firmware download of code without integrity check vulnerability

Sound4 · First Firmware

The Sound4 FIRST web-based management interface is vulnerable to Remote Code Execution (RCE) via a malicious firmware update package. The update mechanism fails to validate the integrity of manual.sh, allowing an attacker to inject arbitrary commands by modifying this script and repackaging the firmware.

7.2 CVSS 3.1 High EPSS 0.46% · top 62.5% CWE-494 · Download of code without integrity check
7.2CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Sound4 FIRST web-based management interface is vulnerable to Remote Code Execution (RCE) via a malicious firmware update package. The update mechanism fails to validate the integrity of manual.sh, allowing an attacker to inject arbitrary commands by modifying this script and repackaging the firmware.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63220_Sound4%20FIRST%20RCE ExploitThird Party Advisory
https://www.sound4helpdesk.com/ Product
https://www.sound4helpdesk.com/first-downloads/ Product
https://github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63220_Sound4%20FIRST%20RCE ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2022-50794Sound4 impact firmware os command injection vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain an unauthenticated command injection vulnerability in the username parameter. Attackers …EPSS 3.7%9.3CVE-2022-50796Sound4 impact firmware path traversal vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware upload functionality with path tr…EPSS 1.6%9.3CVE-2022-50696Sound4 first firmware hard-coded credentials vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain hardcoded credentials embedded in server binaries that cannot be modified through normal…EPSS 0.60%9.3CVE-2023-53960Sound4 first firmware sql injection vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco version 2.x contains an SQL injection vulnerability in the 'index.php' authentication mechanism that allows attackers t…EPSS 0.74%9.3CVE-2023-53963Sound4 impact firmware os command injection vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated OS command injection vulnerability that allows remote attackers to execute arbitrary s…EPSS 3.4%9.3CVE-2023-53955Sound4 stream extension insecure direct object reference vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and acces…EPSS 0.85%8.8CVE-2022-50694Sound4 impact firmware sql injection vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an SQL injection vulnerability in the 'username' POST parameter of index.php that allows attackers to ma…EPSS 0.89%8.8CVE-2023-53962Sound4 impact firmware path traversal vulnerabilitySOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated directory traversal vulnerability that allows remote attackers to write arbitrary file…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2025-63220), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.