ZDI-25-223: (Pwn2Own) Sonos Era 300 Speaker libsmb2 Use-After-Free Remote Code Execution Vulnerability
First published: Wed Apr 09 2025(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Sonos Era 300 | ||
| Sonos Era 300 |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-25-223?
The severity of ZDI-25-223 is rated at 8.8 on the CVSS scale.
How do I fix ZDI-25-223?
To fix ZDI-25-223, ensure that your Sonos Era 300 is updated to the latest firmware provided by Sonos.
What impact does ZDI-25-223 have on my Sonos Era 300?
ZDI-25-223 allows network-adjacent attackers to execute arbitrary code, compromising the security of your Sonos Era 300.
Who is affected by ZDI-25-223?
ZDI-25-223 affects installations of the Sonos Era 300 speaker.
Is authentication required to exploit ZDI-25-223?
No, authentication is not required to exploit the vulnerability identified as ZDI-25-223.
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