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CVE-2026-4149 - Vulnerability Analysis

CriticalCVSS: 10.0

Last Updated: April 11, 2026

Sonos Era 300 - Remote Code Execution

Published: April 11, 2026Updated: April 11, 2026Remote Exploitable

Overview

Sonos Era 300 contains a remote code execution caused by improper validation of the DataOffset field in SMB responses, letting remote attackers execute arbitrary code in kernel context without authentication.

Severity & Score

Severity: Critical

CVSS Score: 10.0

Impact

Remote attackers can execute arbitrary code in kernel context, potentially leading to full system compromise.

Mitigation

Update to the latest version of Sonos Era 300.

References

https://www.zerodayinitiative.com/advisories/ZDI-26-192/

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-4149
Severity: Critical
CVSS Score: 10.0
Type: out_of_bounds_rw
Status: new

CWE

CWE-119

CVSS Metrics

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H