Read the docs
TI-2026-03597 Aliases CVE-2026-4149GHSA-8v6v-j22p-w63g

Memory corruption in Sonos Era 300

Priority MEDIUM 51CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00995 62nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SonosEra 30017.5 (build 91.0-70070)—No fix listedCNA
  • Era 300 VendorSonos Affected 17.5 (build 91.0-70070) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:sonos:era_300_firmware:*:*:*:*:*:*:*:*before 83.1-61240VulnerableSonos
cpe:2.3:h:sonos:era_300:-:*:*:*:*:*:*:*not specified by NVDRunning onSonos
  • cpe:2.3:o:sonos:era_300_firmware:*:*:*:*:*:*:*:* Versions before 83.1-61240 Vulnerable ·Sonos
  • cpe:2.3:h:sonos:era_300:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Sonos

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4149
  2. 2026-10-03 Alias added: GHSA-8v6v-j22p-w63g

References

Advisory 1

  • TI-2025-00890 Heap-based buffer overflow in Sonos Era 300 CVSS 3.0HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences