Description
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 specific flaw exists within the processing of ALAC data. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the anacapa user. Was ZDI-CAN-25865.
References (1)
Core 1
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-25-311/
Scores
CVSS v3
8.8
EPSS
0.0016
EPSS Percentile
36.5%
Attack Vector
ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-122
CWE-787
Status
published
Products (1)
sonos/era_300_firmware
81.1-58074
Published
Jun 02, 2025
Tracked Since
Feb 18, 2026