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HIGH · 8.1

CVE-2026-4478

A vulnerability was identified in Yi Technology YI Home Camera 2 2.1.1_20171024151200. This impacts an unknown function of the file home/web/ipc of the component HTTP Firmware Update Handler. The mani...

Vulnerability Description

A vulnerability was identified in Yi Technology YI Home Camera 2 2.1.1_20171024151200. This impacts an unknown function of the file home/web/ipc of the component HTTP Firmware Update Handler. The manipulation leads to improper verification of cryptographic signature. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is said to be difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Related Weaknesses (CWE)

CWE-347CWE-345

References

FAQ

What is CVE-2026-4478?

CVE-2026-4478 is a vulnerability with a CVSS score of 8.1 (HIGH). A vulnerability was identified in Yi Technology YI Home Camera 2 2.1.1_20171024151200. This impacts an unknown function of the file home/web/ipc of the component HTTP Firmware Update Handler. The mani...

How severe is CVE-2026-4478?

CVE-2026-4478 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-4478?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.