CVE-2018-11316

The UPnP HTTP server on Sonos wireless speaker products allow unauthorized access via a DNS...

9.6 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.30%Up 0.7 points since Apr 14, 2021

What each source reports

NVD Score used 9.6

Record: CVE-2018-11316
CVSS 3.0: 9.6 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-11316
Updated: 2026-11-02

EUVDEUVD-2018-3355 No score

Record: EUVD-2018-3355
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cv2h-x977-pmxq 9.6

The UPnP HTTP server on Sonos wireless speaker products allow unauthorized access via a DNS...

Record: GHSA-cv2h-x977-pmxq
CVSS 3.0: 9.6 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-20
Updated: 2026-11-02

Affected products

sonos firmware

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-11316 is a critical vulnerability (CVSS 9.6) in Sonos Firmware, published July 3, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.30%, the 70th percentile. No source names a fixed version.