PT-2026-26572 · Yi Technology · Yi Home Camera 2

0Rbitingzer0 + 1 · Published 2026-03-20 · Updated 2026-03-20 · CVE-2026-4478

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Yi Technology YI Home Camera 2 version 2.1.1 20171024151200

Description A flaw exists in Yi Technology YI Home Camera 2 related to improper cryptographic signature verification within the HTTP Firmware Update Handler component. The issue resides in an unknown function of the home/web/ipc file. This allows for remote attacks, though the complexity is considered high and exploitability is difficult. An exploit is publicly available. The vendor was notified but did not respond.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Insufficient Verification of Data Authenticity

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-345

CWE-347

Related Identifiers

CVE-2026-4478

Affected Products

Yi Home Camera 2

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-4478 · Security Note
• https://twitter.com/0dayPublishing/status/2034893739131326877 · Twitter Post
• https://vuldb.com/?id.351768 · Note
• https://twitter.com/TheHackerWire/status/2035144350943125590 · Twitter Post
• https://vuldb.com/?submit.773162 · Note
• https://vuldb.com/?ctiid.351768 · Note