Medium 5.8Published Oct 5, 2025

CVE-2025-59452The YoSmart YoLink API through 2025-10-02 uses an endpoint URL that is derived from a device's MAC address along with an MD5 hash of non-secret information, such as a key that begins with cf50.

Updated under an hour ago (Oct 27, 2026, 12:30 AM ET)

Does this affect you?

It affects YoSmart YoLink API. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for YoSmart YoLink API

Exploited in the last 30 days

The YoSmart YoLink API through 2025-10-02 uses an endpoint URL that is derived from a device's MAC address along with an MD5 hash of non-secret information, such as a key that begins with cf50.

CVSS: 5.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Weakness (CWE): CWE-340
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Deferred
Record last updated: Nov 26, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

YoSmart YoLink API yosmart:yolink_api (from the name)	through 2025-10-02	CNA record

References

References

https://bishopfox.com/blog/advisories
https://shop.yosmart.com/pages/product-support
https://bishopfox.com/blog/how-a-20-smart-device-gave-me-access-to-your-home
https://shop.yosmart.com/pages/sa-2025-001

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.