CVE-2026-4478
HIGHYi Technology YI Home Camera HTTP Firmware Update ipc signature verification
Title source: cnaDescription
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.
References (3)
Core 3
Core References
Vdb Entry vdb-entry
VDB-351768 | Yi Technology YI Home Camera HTTP Firmware Update ipc signature verification
https://vuldb.com/?id.351768
Signature, Permissions Required signature
permissions-required
VDB-351768 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/?ctiid.351768
Third Party Advisory third-party-advisory
Submit #773162 | yitechnology YI Home Camera 2 2.1.1_20171024151200 HTTP Firmware OTA Without Cryptographic Signature
https://vuldb.com/?submit.773162
Scores
CVSS v3
8.1
EPSS
0.0027
EPSS Percentile
18.7%
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