ZDI-26-192: Sonos Era 300 SMB Response Out-Of-Bounds Access Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Sonos Era 300. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the DataOffset field within SMB responses. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the kernel.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Sonos Era 300. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 10.0. The following CVEs are assigned: CVE-2026-4149.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-192?
ZDI-26-192 has a CVSS rating of 10, indicating it is a critical vulnerability.
How does ZDI-26-192 affect the Sonos Era 300?
ZDI-26-192 allows remote attackers to execute arbitrary code on affected installations of Sonos Era 300 without authentication.
Can ZDI-26-192 be exploited remotely?
Yes, ZDI-26-192 can be exploited remotely by attackers.
Is authentication required to exploit ZDI-26-192?
No, authentication is not required to exploit the ZDI-26-192 vulnerability.
What should users of Sonos Era 300 do regarding ZDI-26-192?
Users of Sonos Era 300 should apply any available security updates to mitigate the risk associated with ZDI-26-192.