Integer overflow in Sonos One Speaker
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sonos One Speaker 70.3-35220. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of the SMB directory query command. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before reading from memory. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-19727.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Sonos | One Speaker | 70.3-35220 | — | No fix listed | CNA |
- One Speaker VendorSonos Affected 70.3-35220 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sonos:one_firmware:70.3-35220:*:*:*:*:*:*:* | 70.3-35220 | Vulnerable | Sonos |
| cpe:2.3:h:sonos:one:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Sonos |
| cpe:2.3:a:sonos:s1:*:*:*:*:*:*:*:* | before 11.7.1 | Vulnerable | Sonos |
| cpe:2.3:a:sonos:s2:*:*:*:*:*:*:*:* | before 15.1 | Vulnerable | Sonos |
- cpe:2.3:o:sonos:one_firmware:70.3-35220:*:*:*:*:*:*:* Versions 70.3-35220 Vulnerable ·Sonos
- cpe:2.3:h:sonos:one:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Sonos
- cpe:2.3:a:sonos:s1:*:*:*:*:*:*:*:* Versions before 11.7.1 Vulnerable ·Sonos
- cpe:2.3:a:sonos:s2:*:*:*:*:*:*:*:* Versions before 15.1 Vulnerable ·Sonos
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-27354
- 2026-10-03 Alias added: GHSA-ppqq-2fjx-qxw2
- 2026-10-28 EPSS moved to the 50th–90th percentile
References
More Sonos One Firmware vulnerabilities
- TI-2020-07425 Some versions of Sonos One (1st and 2nd generation) allow partial or full memory access… CVSS 3.1MEDIUM 6.8
- TI-2023-12090 Stack-based buffer overflow in Sonos One Speaker CVSS 3.1HIGH 8.8
- TI-2023-12087 Use after free in Sonos One Speaker CVSS 3.1HIGH 8.8
- TI-2023-12088 Out-of-bounds read in Sonos One Speaker CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-27354 · CVE Program
- CVE-2023-27354 · NVD
- FIRST EPSS
- GHSA-ppqq-2fjx-qxw2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences