High 7.5Published Dec 22, 2025

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

Updated under an hour ago (Oct 28, 2026, 3:50 AM ET)

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It affects SOUND4 Ltd. Impact/Pulse/First and 14 other products. Add what you run to find out whether that includes you.

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Every CVE for SOUND4 Ltd. Impact/Pulse/First

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Modified
Record last updated: Oct 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

SOUND4 Ltd. Impact/Pulse/First sound4:impact_pulse_first (from the name)	Version 2: 1.1/2.15	CNA record
SOUND4 Ltd. Impact/Pulse Eco sound4:impact_pulse_eco (from the name)	1.16	CNA record
SOUND4 Ltd. BigVoice4 sound4:bigvoice4 (from the name)	1.2	CNA record
SOUND4 Ltd. BigVoice2 sound4:bigvoice2 (from the name)	1.30	CNA record
SOUND4 Ltd. Stream sound4:stream (from the name)	1.1/2.4.29	CNA record
Kantar Media WM2 kantar_media:wm2 (from the name)	1.11	CNA record
sound4 impact_firmware sound4:impact_firmware	2.15; 1.69	NVD
sound4 pulse_firmware sound4:pulse_firmware	2.15; 1.69	NVD
sound4 first_firmware sound4:first_firmware	2.15; 1.69	NVD
sound4 stream_extension sound4:stream_extension	2.4.29	NVD
1–10 of 15

References

References

https://www.exploit-db.com/exploits/51172	exploit, third-party-advisory, vdb-entry
https://web.archive.org/web/20221207074555/https://www.sound4.com/	product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5730.php	third-party-advisory, exploit
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-directory-traversal-file-write	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.