ZDI-22-260: (Pwn2Own) Sonos One Speaker Integer Underflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos One Speaker. Authentication is not required to exploit this vulnerability. The specific flaw exists within the anacapd daemon. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of root.

Affected Software

1 affected component
Sonos One Speaker

Event History

Mar 25, 2025
Advisory Published
via ZDI·01:03 AM
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Frequently Asked Questions

1

What is the severity of ZDI-22-260?

The severity of ZDI-22-260 is high due to its potential for arbitrary code execution by unauthenticated network-adjacent attackers.

2

How do I fix ZDI-22-260?

To fix ZDI-22-260, update your Sonos One Speaker to the latest firmware version released by the vendor.

3

Who is affected by ZDI-22-260?

ZDI-22-260 affects users of the Sonos One Speaker that have not applied the necessary firmware updates.

4

What type of attacks can exploit ZDI-22-260?

ZDI-22-260 can be exploited by network-adjacent attackers to remotely execute arbitrary code on vulnerable devices.

5

Is authentication required to exploit ZDI-22-260?

No, authentication is not required to exploit ZDI-22-260, making it a significant security risk.

Contact

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ZDI-22-260 - (Pwn2Own) Sonos One Speaker Integer Underflow Remote Code Execution Vulnerability - SecAlerts