Era 300 Firmware vulnerabilities

2 known vulnerabilities in Era 300 Firmware from Sonos. 2 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 9.8 Critical severity

  Era 300: Improper Restriction of Operations within the Bounds of a Memory Buffer

  CVE-2026-4149Apr 11, 2026SonosEPSS 1.01%

  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.

• 8.8 High severity

  Era 300: Out-of-bounds Write

  CVE-2025-1051Jun 2, 2025Sonos

  Sonos Era 300 Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Sonos Era 300 speakers. Authentication is not required to exploit this vulnerability. The s