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.
Affected products
sound4: impact firmware; sound4: impact; sound4: pulse firmware; sound4: pulse; sound4: first firmware; sound4: first; sound4: impact eco firmware; sound4: impact eco; sound4: pulse eco firmware; sound4: pulse eco; sound4: big voice4 firmware; sound4: big voice4; sound4: big voice2 firmware; sound4: big voice2; sound4: wm2 firmware
References5
- www.exploit-db.com/exploits/51174 ExploitThird Party AdvisoryVDB Entry
- www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5742.php ExploitThird Party Advisory
- www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5742.php ExploitThird Party Advisory
- web.archive.org/web/20221207074555/www.sound4.com/ Product
- www.vulncheck.com/advisories/sound-impactfirstpulseeco-x-unauth… Third Party Advisory
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
8.8
HIGH
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 63 · as of 11 November 2026
- CWE
- CWE-306
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.