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Fencer Vulns
low 3.5

CVE-2025-59451 json

The YoSmart YoLink application through 2025-10-02 has session tokens with unexpectedly long lifetimes.

published 2025-10-06 13 mo ago modified 2026-10-09 31 d ago also EUVD-2025-32122

cvss
3.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

The YoSmart YoLink application through 2025-10-02 has session tokens with unexpectedly long lifetimes.

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 3.5

YoSmart YoLink Smart Hub

  • YoSmart server
    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

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N

Affected products

  • YoSmart YoLink application

Classification

Weakness

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.