Use after free in Sonos Era 300
Key facts
- Attack vector
- Adjacent 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 3.0 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
Sonos Era 300 Speaker libsmb2 Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos Era 300 speakers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SMB data. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the anacapa user. Was ZDI-CAN-25535.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 | Era 300 | 81.1-58074 | — | No fix listed | CNA |
- Era 300 VendorSonos Affected 81.1-58074 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-1048
- 2026-10-03 Alias added: GHSA-h868-x49r-ph66
References
Advisory 1
More Sonos S1 vulnerabilities
- TI-2022-08009 Stack-based buffer overflow in Sonos One Speaker CVSS 3.1CRITICAL 9.8
- TI-2022-08006 Integer underflow in Sonos One Speaker CVSS 3.1HIGH 8.8
- 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-2025-00888 Heap-based buffer overflow in Sonos Era 300 CVSS 3.0HIGH 8.8
- TI-2023-12089 Integer overflow in Sonos One Speaker CVSS 3.1MEDIUM 6.5
Sources
- CVE-2025-1048 · CVE Program
- CVE-2025-1048 · NVD
- FIRST EPSS
- GHSA-h868-x49r-ph66 · 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