(Pwn2Own) Sonos Era 300 Heap-based Buffer Overflow Remote Code Execution Vulnerability

May 29th, 2025
ZDI-25-311 ZDI-CAN-25865

CVE ID

CVE-2025-1051

CVSS Score

8.8 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Sonos

Affected Products

Era 300

Vulnerability Details

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.

Additional Details

Fixed in version Player v:83.1-61240 Release v:16.6


Disclosure Timeline

  • 2024-12-11 - Vulnerability reported to vendor
  • 2025-05-29 - Coordinated public release of advisory
  • 2025-05-29 - Advisory Updated

Credit

Cody Gallagher and Charlie Waters

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