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Fencer Vulns
medium 5.8

CVE-2025-59452 json

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-se…

published 2025-10-06 13 mo ago modified 2026-10-09 31 d ago also EUVD-2025-32127

cvss
5.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-013-03 updated cvss 5.8

YoSmart YoLink Smart Hub

  • YoSmart YoLink Smart Hub 0382
    affected: mitigation “YoSmart recommends that users take the following actions to mitigate these vulnerabilities:” shop.yosmart.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
13 mo ago

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Affected products

  • YoSmart YoLink API

Classification

Weakness
  • CWE-340 Generation of Predictable Numbers or Identifiers

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.