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CVE-2026-4149

CRITICAL
10.0
CVSS 3.0
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.

Metadata

CVE ID
CVE-2026-4149
State
PUBLISHED
Assigner
zdi
Reserved
2026-03-13 20:27 UTC
Published
2026-04-11 00:12 UTC
Last updated
2026-04-13 16:16 UTC
Primary CWE
CWE-119
CWE-119: Improper Restriction of Operations within the Bound…
Vendor / Product
Sonos / Era 300
Sources
cve.org  ·  NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (1)
VendorProductPlatformVersions
Sonos Era 300 — 17.5 (build 91.0-70070)
Weakness (CWE)
CWESourceDescription
CWE-119 cna CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CVSS scores (1)
ScoreSeverityVersionSourceVector
10.0 CRITICAL 3.0 cna CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References (1)
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