Critical 9.8Published Dec 22, 2025

CVE-2023-53964SOUND4 IMPACT/FIRST/PULSE/Eco v2.x Unauthenticated Factory Reset Vulnerability

Updated under an hour ago (Oct 28, 2026, 8:10 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 vulnerability in the /usr/cgi-bin/restorefactory.cgi endpoint that allows remote attackers to reset device configuration. Attackers can send a POST request to the endpoint with specific data to trigger a factory reset and bypass authentication, gaining full system control.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-306
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 impact_eco_firmware sound4:impact_eco_firmware	1.16	NVD
1–10 of 15

References

References

https://www.exploit-db.com/exploits/51174	exploit, third-party-advisory, vdb-entry
https://web.archive.org/web/20221207074555/https://www.sound4.com/	product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5742.php	third-party-advisory, exploit
https://www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauthenticated-factory-reset-vulnerability	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.