The YoSmart YoLink application through 2025-10-02 has session tokens with unexpectedly long lifetimes.
Priority LOW 17CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
The YoSmart YoLink application through 2025-10-02 has session tokens with unexpectedly long lifetimes.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00317 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-59451
- 2026-10-03 Alias added: GHSA-ww8q-926q-45p7
References
More YoSmart vulnerabilities
- TI-2025-36997 The YoSmart YoLink API through 2025-10-02 uses an endpoint URL that is derived from a… CVSS 3.1MEDIUM 5.8
- TI-2025-36994 Incorrect authorization in YoSmart YoLink MQTT broker CVSS 3.1MEDIUM 4.9
- TI-2025-36993 Cleartext transmission of sensitive information in YoSmart YoLink ecosystem CVSS 3.1MEDIUM 4.7
- TI-2025-36995 Cleartext storage of sensitive information in YoSmart YoLink Smart Hub CVSS 3.1MEDIUM 4.3
- TI-2025-36992 The YoSmart YoLink Smart Hub device 0382 exposes a UART debug interface. CVSS 3.1LOW 2.2
Sources
- CVE-2025-59451 · CVE Program
- CVE-2025-59451 · NVD
- FIRST EPSS
- GHSA-ww8q-926q-45p7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences