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Vulnerability record · CVE-2020-9285 · published 20 October 2022

CVE-2020-9285: Sonos one firmware vulnerability

Sonos · One Firmware

Some versions of Sonos One (1st and 2nd generation) allow partial or full memory access via attacker controlled hardware that can be attached to the Mini-PCI Express slot on the motherboard that hosts the WiFi card on the device.

6.8 CVSS 3.1 Medium EPSS 0.48% · top 60.8% CWE-1191 · CWE-1191
6.8CVSS 3.1 base score
0.48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Some versions of Sonos One (1st and 2nd generation) allow partial or full memory access via attacker controlled hardware that can be attached to the Mini-PCI Express slot on the motherboard that hosts the WiFi card on the device.

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://tnpitsecurity.com/blog/gaining-root-on-sonos-speakers/ ExploitThird Party Advisory
https://tnpitsecurity.com/blog/gaining-root-on-sonos-speakers/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2023-27352Sonos one firmware use after free vulnerabilityThis vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos One Speaker 70.3-35220. Authenticat…EPSS 0.78%8.8CVE-2023-27355Sonos one firmware stack-based buffer overflow vulnerabilityThis vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos One Speaker 70.3-35220. Authenticat…EPSS 0.81%6.5CVE-2023-27353Sonos one firmware out-of-bounds read vulnerabilityThis vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sonos One Speaker 70.3-35220. Aut…EPSS 0.63%6.5CVE-2023-27354Sonos one firmware integer overflow vulnerabilityThis vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sonos One Speaker 70.3-35220. Aut…EPSS 0.63%

Source: NIST National Vulnerability Database (record CVE-2020-9285), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.