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TI-2026-03888 Aliases CVE-2026-4477GHSA-4mwf-8qvq-c4w5

Yi Technology YI Home Camera WPA/WPS hard-coded key

Priority LOW 11CWE-320Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-321.

Summary

A vulnerability was determined in Yi Technology YI Home Camera 2 2.1.1_20171024151200. This affects an unknown function of the component WPA/WPS. Executing a manipulation can lead to use of hard-coded cryptographic key . The attack can only be done within the local network. This attack is characterized by high complexity. The exploitability is reported as difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00218 12th 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

VendorProductAffected versionsFixed inStatusSource
YiYI Home Camera2 2.1.1_20171024151200—No fix listedCNA
  • YI Home Camera VendorYi Affected 2 2.1.1_20171024151200 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4477
  2. 2026-10-03 Alias added: GHSA-4mwf-8qvq-c4w5

References

—

  • TI-2026-03889 Yi Technology YI Home Camera HTTP Firmware Update ipc signature verification CVSS 4.0CRITICAL 9.2
  • TI-2026-03886 Yi Technology YI Home Camera ipc hard-coded credentials CVSS 4.0HIGH 8.7
  • TI-2018-02902 An exploitable code execution vulnerability exists in the firmware update functionality… CVSS 3.1CRITICAL 9.8
  • TI-2024-37695 Improper access control in the HTTP server in YI Car Dashcam v3.88 allows unrestricted… CVSS 3.1CRITICAL 9.8
  • TI-2018-02869 Memory corruption in Yi Technology CVSS 3.1HIGH 8.8
  • TI-2018-02861 Buffer overflow in Yi Technology CVSS 3.1HIGH 8.1
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences