PatchTheCVECVE-2023-53964: SOUND4 IMPACT/FIRST/PULSE/Eco v2.x contains an unauthenticated vulnerability in the /usr/cgi-bin/restorefactor
CVE-2023-53964 is a critical-severity flaw (CVSS 9.8) affecting impact firmware, pulse firmware, first firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.0% (top 38%) |
| CISA exploited list | No |
| Weakness | CWE-306 |
| Published | 2025-12-22 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Write-up: www.exploit-db.com/exploits/51174
- Write-up: www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5742.php
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-53964?
impact firmware: mitigate or apply the listed mitigation; pulse firmware: mitigate or apply the listed mitigation; first firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2023-53964 being exploited?
CVE-2023-53964 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-53964 affect?
CVE-2023-53964 affects impact firmware, pulse firmware, first firmware. Severity is critical (CVSS 9.8). 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
How urgent is CVE-2023-53964?
Priority 60/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action
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