The UPnP HTTP server on Sonos wireless speaker products allow unauthorized access via a DNS rebinding attack. This can result in remote device control and privileged device and network information to be exfiltrated by an attacker.
Severity
CVSS 3.0
9.6 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
1.3% chance of exploitation in the next 30 days; higher than 70% of CVEs (scores of 2026-10-31)