Buffer overflow in Sonos Era 300
CVE-2025-1050
Sonos Era 300 Out-of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Sonos Era 300 speakers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of HLS playlist data. 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 data structure. An attacker can leverage this vulnerability to execute code in the context of the anacapa user. Was ZDI-CAN-25606.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (33.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Sonos Era 300 — versions 81.1-58074
- Sonos Era 300
- Sonos S2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-25-225/ (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-1050?
- CVE-2025-1050 is a high-severity vulnerability in Sonos Era 300, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2025-04-23.
- How severe is CVE-2025-1050?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-1050 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.