PT-2025-40949 · Yosmart · Yolink

Nicholas Cerne + 1 · Published 2025-10-06 · Updated 2025-10-07 · CVE-2025-59452

Positive Technologies (AI Summary)

CVSS v3.1

5.8

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions YoSmart YoLink versions through 2025-10-02

Description The YoSmart YoLink API constructs an endpoint URL using a device's MAC address and an MD5 hash of non-secret information, including a key starting with cf50. The API endpoint is derived from this information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-340

Related Identifiers

CVE-2025-59452

Affected Products

Yolink

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-59452 · Security Note
• https://twitter.com/VulmonFeeds/status/1975373394628485598 · Twitter Post
• https://shop.yosmart.com/pages/sa-2025-001 · Note
• https://bishopfox.com/blog/advisories · Note
• https://t.me/CVEtracker/34281 · Telegram Post
• https://shop.yosmart.com/pages/product-support · Note
• https://bishopfox.com/blog/how-a-20-smart-device-gave-me-access-to-your-home · Note
• https://twitter.com/CVEnew/status/1975298622792061253 · Twitter Post