Vulnerability Description
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. Was ZDI-CAN-28345.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sonos | Era 300 Firmware | < 83.1-61240 |
| Sonos | Era 300 | - |
Related Weaknesses (CWE)
References
- https://www.zerodayinitiative.com/advisories/ZDI-26-192/Third Party Advisory
FAQ
What is CVE-2026-4149?
CVE-2026-4149 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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. Au...
How severe is CVE-2026-4149?
CVE-2026-4149 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-4149?
Check the references section above for vendor advisories and patch information. Affected products include: Sonos Era 300 Firmware, Sonos Era 300.