CVE-2026-4478

HIGH

Yi Technology YI Home Camera HTTP Firmware Update ipc signature verification

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 8.1
EPSS 0.0001
EPSS Percentile 0.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-345 CWE-347
Status published
Products (1)
Yi Technology/YI Home Camera 2 2.1.1_20171024151200
Published Mar 20, 2026
Tracked Since Mar 20, 2026