CVE-2025-43916
CVE-2025-43916 is a low-severity vulnerability with a CVSS 3.x base score of 3.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-647.
Key facts
- Severity: Low (CVSS 3.x base score 3.4)
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-12378
- Weakness: CWE-647
- Published:
- Last modified:
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."
Frequently asked questions
- What is 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 sent to an attacker-controlled destination. This might have further implications in conjunction with "Decompiling the app revealed a hardcoded secret."
- How severe is CVE-2025-43916?
- CVE-2025-43916 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2025-43916 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-43916?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-43916 have an EU (EUVD) identifier?
- Yes. CVE-2025-43916 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12378.
- When was CVE-2025-43916 published?
- CVE-2025-43916 was published on 2025-04-21 and last updated on 2026-06-17.
References
Other CWE-647 vulnerabilities
- CVE-2022-43939 — High (CVSS 8.6): Hitachi Vantara Pentaho Business Analytics Server versions before 9.4.0.1 and 9.3.0.2, including 8.3.x contain security…
- CVE-2025-64500 — High (CVSS 7.3): Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Symfony's…
- CVE-2025-9909 — Medium (CVSS 6.7): A flaw was found in the Red Hat Ansible Automation Platform Gateway route creation component. This vulnerability allows…
- CVE-2026-5222 — Medium (CVSS 6.5): Cargo between 1.68 and 1.96 incorrectly normalized the URLs of third-party registries using the sparse index protocol.…
- CVE-2025-66202 — Medium (CVSS 6.5): Astro is a web framework. Versions 5.15.7 and below have a double URL encoding bypass which allows any unauthenticated…
- CVE-2025-47241 — Medium (CVSS 4.0): In browser-use (aka Browser Use) before 0.1.45, URL parsing of allowed_domains is mishandled because userinfo can be…