CVE-2023-53962 HIGH

CVE-2023-53962: SOUND4 IMPACT/FIRST/PULSE/Eco v2.x Unauthenticated Directory Traversal File Write

Vendor Sound4 Ltd.
Product Impact/Pulse/First
Weakness CWE-22 · Path traversal
Published December 22, 2025
Last update January 16, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated directory traversal vulnerability that allows remote attackers to write arbitrary files through the 'upgfile' parameter in upload.cgi. Attackers can exploit the vulnerability by sending crafted multipart form-data POST requests with directory traversal sequences to write files to unintended system locations.

Key dates

02Disclosure timeline

December 22, 2025 CVE published
January 16, 2026 Record updated