ZDI-CAN-25865: ZDI-25-311: (Pwn2Own) 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.
Other sources
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 ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2025-1051.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-25865?
The severity of ZDI-CAN-25865 is rated at 8.8 on the CVSS scale, indicating a high risk.
How do I fix ZDI-CAN-25865?
To mitigate the threat posed by ZDI-CAN-25865, ensure to update the affected Sonos Era 300 devices to the latest firmware provided by the manufacturer.
Who is affected by ZDI-CAN-25865?
ZDI-CAN-25865 affects the Sonos Era 300 speakers, which are vulnerable to arbitrary code execution.
Is authentication required to exploit ZDI-CAN-25865?
No, authentication is not required to exploit the ZDI-CAN-25865 vulnerability.
What is the CVE associated with ZDI-CAN-25865?
The CVE associated with ZDI-CAN-25865 is CVE-2025-1051.