Vulnerability in Sound4 First
CVE-2025-63220
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (37.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Sound4 First
- Sound4 First Firmware — versions 2.33
Weakness classification (CWE)
References
- www.sound4helpdesk.com/ (Product)
- www.sound4helpdesk.com/first-downloads/ (Product)
- github.com/shiky8/my--cve-vulnerability-research/tree/main/CVE-2025-63220_Sound… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-63220?
- CVE-2025-63220 is a high-severity vulnerability in Sound4 First, classified under Download of Code Without Integrity Check. CVSS score: 7.2/10. Published 2025-11-19.
- How severe is CVE-2025-63220?
- High severity. CVSS v3 base score is 7.2 out of 10.