CVE-2026-4149: critical vulnerability in Sonos Era 300
Sonos Era 300 SMB Response Out-Of-Bounds Access Remote Code Execution Vulnerability
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 10epss 1.0%
Sonos Era 300 SMB Response Out-Of-Bounds Access Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Sonos Era 300. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of the DataOffset field within SMB responses. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the kernel. Was ZDI-CAN-28345.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
Sonos · Era 300Related CVEs — Sonos Era 300
In the same product, most dangerous first.
CVE-2025-1048HIGHSonos Era 300 Speaker libsmb2 Use-After-Free Remote Code Execution VulnerabilityEPSS 0.5%CVE-2025-1050HIGHSonos Era 300 Out-of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2025-1049HIGHSonos Era 300 Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.4%CVE-2025-1051HIGHSonos Era 300 Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.4%