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CVE-2023-53962

Sound4 First Firmware path traversal

7.5 HIGHPublic exploitEPSS 1.24%
  1. Published22 Dec 2025

Description

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

Sound4 Stream Extension2.4.29
Sound4 Big Voice2 Firmware1.30
Sound4 Big Voice4 Firmware1.2
Sound4 First Firmware1.69 · 2.15
Sound4 Impact Eco Firmware1.16
Sound4 Impact Firmware1.69 · 2.15
Sound4 Pulse Eco Firmware1.16
Sound4 Pulse Firmware1.69 · 2.15
Sound4 Wm2 Firmware1.11

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2023-53962 being actively exploited?

CVE-2023-53962 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.24%.

How severe is CVE-2023-53962?

CVE-2023-53962 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 1.24% probability of exploitation.

Which products are affected by CVE-2023-53962?

Affected products include Sound4 Stream Extension, Sound4 Big Voice2 Firmware, Sound4 Big Voice4 Firmware, Sound4 First Firmware, Sound4 Impact Eco Firmware, and 4 more.

How do I fix CVE-2023-53962?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-53962 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.