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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-2025-1050

Sonos Era 300 Out-of-Bounds Write Remote Code Execution Vulnerability

Sonos Era 300 Out-of-Bounds Write 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 HLS playlist data. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the anacapa user. Was ZDI-CAN-25606.

CVSS 3.0 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Sonos
Products
Era 300 S2
CVE-2025-1049

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 ID3 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-25601.

CVSS 3.0 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Sonos
Products
Era 300 S1 S2
CVE-2025-1048

Sonos Era 300 Speaker libsmb2 Use-After-Free Remote Code Execution Vulnerability

Sonos Era 300 Speaker libsmb2 Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos Era 300 speakers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SMB data. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the anacapa user. Was ZDI-CAN-25535.

CVSS 3.0 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Sonos
Products
Era 300 S1 S2
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