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CVE-2025-59449: YoLink MQTT broker 0 through 2025-10-02
CVE-2025-59449. CVSS 3.1 base score 4.9 (MEDIUM, Vendor/CNA). EPSS 0.00281 (percentile 0.18814), scored 2026-10-08.
Affected technology
YoLink MQTT broker · 0 through 2025-10-02
YoSmart
Description’s affected range: through 2025-10-02 does not enforce sufficient authorization controls to prevent cross-account attacks
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
An attacker can remotely operate affected devices if the attacker obtains the associated device IDs. Vendor/CNA’s CVSS 3.1 assessment (base score 4.9/10) rates confidentiality and integrity impact as low; availability impact as none.
- CWE
- CWE-863
- CCR priority
- 19.7 /100 (P5)
- CVSS 3.1
- 4.9 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N · Vendor/CNA
- EPSS
- 0.00281 · percentile 0.18814 · 2026-10-08
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-09 12:21:30.679837+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-59449.html