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CVE-2025-43916

3.4 · LOW

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 secti…

Published Apr 21, 2025CWE-647EPSS 0.22%

Overview

CVE-2025-43916 is a low-severity vulnerability. It was published on April 21, 2025 and has a CVSS 3.1 base score of 3.4 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.4, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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."

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/larlarua/vulnerability-reports/blob/main/CVE-2025-43916/detail.md

How CyberStrike helps

Frequently asked questions

What is CVE-2025-43916?

CVE-2025-43916 is a low-severity vulnerability. It was published on April 21, 2025 and has a CVSS 3.1 base score of 3.4 (LOW).

How severe is CVE-2025-43916?

This vulnerability has a CVSS 3.1 base score of 3.4, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-43916?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-43916?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-43916 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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