How severe is CVE-2023-53964?

CVE-2023-53964 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-53964 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53964?

CVE-2023-53964 primarily affects Sound4 Stream Extension. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-53964?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-53964 have an EU (EUVD) identifier?

Yes. CVE-2023-53964 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60249.

When was CVE-2023-53964 published?

CVE-2023-53964 was published on 2025-12-22 and last updated on 2026-06-17.

CVE-2023-53964

CVE-2023-53964 is a critical-severity vulnerability in Sound4 Stream Extension with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.8
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-60249
Weakness: CWE-306
Affected product: Sound4 Stream Extension
Published: 2025-12-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-53964?: 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.
How severe is CVE-2023-53964?: CVE-2023-53964 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-53964 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53964?: CVE-2023-53964 primarily affects Sound4 Stream Extension. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-53964?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-53964 have an EU (EUVD) identifier?: Yes. CVE-2023-53964 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60249.
When was CVE-2023-53964 published?: CVE-2023-53964 was published on 2025-12-22 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:o:sound4:impact_firmware:2.15:*:*:*:*:*:*:*
cpe:2.3:o:sound4:impact_firmware:1.69:*:*:*:*:*:*:*
cpe:2.3:o:sound4:pulse_firmware:2.15:*:*:*:*:*:*:*
cpe:2.3:o:sound4:pulse_firmware:1.69:*:*:*:*:*:*:*
cpe:2.3:o:sound4:first_firmware:2.15:*:*:*:*:*:*:*
cpe:2.3:o:sound4:first_firmware:1.69:*:*:*:*:*:*:*
cpe:2.3:o:sound4:impact_eco_firmware:1.16:*:*:*:*:*:*:*
cpe:2.3:o:sound4:pulse_eco_firmware:1.16:*:*:*:*:*:*:*
cpe:2.3:o:sound4:big_voice4_firmware:1.2:*:*:*:*:*:*:*
cpe:2.3:o:sound4:big_voice2_firmware:1.30:*:*:*:*:*:*:*
cpe:2.3:o:sound4:wm2_firmware:1.11:*:*:*:*:*:*:*
cpe:2.3:a:sound4:stream_extension:2.4.29:*:*:*:*:*:*:*

More vulnerabilities in Sound4 Stream Extension

CVE-2022-50796 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an unauthenticated remote code execution vulnerability in the firmware…
CVE-2022-50794 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain an unauthenticated command injection vulnerability in the…
CVE-2022-50696 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.x and below contain hardcoded credentials embedded in server binaries that…
CVE-2022-50694 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x contains an SQL injection vulnerability in the 'username' POST parameter of…
CVE-2023-53963 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated OS command injection vulnerability that allows remote…
CVE-2023-53960 — Critical (CVSS 9.8): SOUND4 IMPACT/FIRST/PULSE/Eco version 2.x contains an SQL injection vulnerability in the 'index.php' authentication…

All CVEs affecting Sound4 Stream Extension →

Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities

CVE-2026-54309 — Critical (CVSS 10.0): n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP…
CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…

Browse all CWE-306 (Missing Authentication for Critical Function) vulnerabilities →