CVE-2026-4478

Yi Technology YI Home Camera HTTP Firmware Update ipc signature verification

HIGH
8.1
CVSS Score
Published: March 20, 2026 at 07:02 AM UTC
Updated: June 17, 2026 at 10:56 AM UTC
1 product affected across 1 vendorYI Home Camera

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Severity
HIGH8.1
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

VDB Entry
Source: cverecord
https://vuldb.com/?id.351768
SignaturePermissions Required
Source: cverecord
https://vuldb.com/?ctiid.351768
Third Party Advisory
Source: cverecord
https://vuldb.com/?submit.773162

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-347CWE-345

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