Out-of-bounds write in Sonos Era 100
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 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Sonos Era 100 SMB2 Message Handling Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos Era 100 smart speakers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SMB2 messages. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-22384.
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 100 | 15.9 (build 75146030) | — | No fix listed | CNA |
- Era 100 VendorSonos Affected 15.9 (build 75146030) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-5267
- 2026-10-03 Alias added: GHSA-w55c-vqmf-7cp2
References
Advisory 1
More Sonos Era 100 Firmware vulnerabilities
- TI-2024-04893 Use after free in Sonos Era 100 CVSS 3.1HIGH 8.8
- TI-2024-04892 Out-of-bounds read in Sonos Era 100 CVSS 3.1MEDIUM 6.5
- TI-2024-04880 Integer underflow in Sonos Era 100 CVSS 3.1MEDIUM 4.3
Sources
- CVE-2024-5267 · CVE Program
- CVE-2024-5267 · NVD
- FIRST EPSS
- GHSA-w55c-vqmf-7cp2 · GitHub Advisory Database · CC BY 4.0
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