Vulnerability in Sonos Api.sonos.com

CVE-2025-43916

Sonos api.sonos.com through 2025-04-21, when the /login/v3/oauth endpoint is used, accepts a redirect_uri containing userinfo in the authority component, which is not consistent with RFC 6819 section 5.2.3.5. An authorization code may be s…

EPSS: 0.002 (39.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-43916?
CVE-2025-43916 is a low-severity vulnerability in Sonos Api.sonos.com, classified under CWE-647. CVSS score: 3.4/10. Published 2025-04-21.
How severe is CVE-2025-43916?
Low severity. CVSS v3 base score is 3.4 out of 10.
Is CVE-2025-43916 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.