ZDI-25-224: (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 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.
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-2025-1049.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-224?
The severity of ZDI-25-224 has been rated as 8.8 on the CVSS scale.
How do I fix ZDI-25-224?
To fix ZDI-25-224, update the firmware of the affected Sonos Era 300 speakers to the latest version provided by Sonos.
Who is affected by ZDI-25-224?
ZDI-25-224 affects Sonos Era 300 speakers that are network-adjacent to attackers.
Is authentication required to exploit ZDI-25-224?
No, authentication is not required to exploit the ZDI-25-224 vulnerability.
What kind of attack does ZDI-25-224 enable?
ZDI-25-224 enables network-adjacent attackers to execute arbitrary code on the affected devices.