Sonos Era 300 SMB Response out-of-bounds

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Sonos Era 300. Impacted is an unknown function of the component SMB Response Handler. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2026-4149. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Sonos Era 300 (affected version unknown). This affects an unknown functionality of the component SMB Response Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2026-4149. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-21627). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Sonos

Name

• Era 300

CPE 2.3info

• 🔒

CPE 2.2info

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CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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