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CVE-2026-4149

Sonos Era 300 SMB Response Out-Of-Bounds Access Remote Code Execution Vulnerability

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 3.1 · 9.8 Critical EPSS 1.0% KEV · Not listed
Vendors
Sonos
Products
Era 300 Era 300 Firmware
CVE-2025-1051

Sonos Era 300 Heap-based Buffer Overflow Remote Code Execution Vulnerability

Sonos Era 300 Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Sonos Era 300 speakers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of ALAC data. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the anacapa user. Was ZDI-CAN-25865.

CVSS 3.0 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Sonos
Products
Era 300 Era 300 Firmware