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CVE-2025-59448

MEDIUM
4.7
CVSS Score
Published: October 6, 2025 at 12:00 AM UTC
Updated: October 9, 2026 at 10:10 AM UTC
1 product affected across 1 vendorYolink

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Components of the YoSmart YoLink ecosystem through 2025-10-02 leverage unencrypted MQTT to communicate over the internet. An attacker with the ability to monitor network traffic could therefore obtain sensitive information or tamper with the traffic to control affected devices. This affects YoLink Hub 0382, YoLink Mobile Application 1.40.41, and YoLink MQTT Broker.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Yolink· Yosmart
90%
0 ≤ v ≤ 2025-10-020

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.7MEDIUMmitre
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-319

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