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CVE-2025-43916

LOW
3.4
CVSS Score
Published: April 21, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:24 AM UTC
1 product affected across 1 vendorApi.sonos.com

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Severity
LOW3.4
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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 sent to an attacker-controlled destination. This might have further implications in conjunction with "Decompiling the app revealed a hardcoded secret."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Api.sonos.com· Sonos
60%
v ≤ 2025-04-21

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]
https://github.com/larlarua/vulnerability-reports/blob/main/CVE-2025-43916/detail.md

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.4LOWmitre
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-647

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