CVE-2018-3891

MEDIUM EPSS 32.0%

Published Nov 2, 20187y ago · Modified Jun 17, 20262w ago

4.6 CVSS 3.1

Medium

Published Nov 2, 2018 7y ago

Last Modified Jun 17, 2026 2w ago

Description

An exploitable firmware downgrade vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted file can cause a logic flaw, resulting in a firmware downgrade. An attacker can insert an SD card to trigger this vulnerability.

CVSS Details

Base Score

4.6

Exploitability

0.9

Impact

3.6

Vector string

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector Physical

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity High

Availability None

Threat Intelligence

EPSS Exploit Probability

32.0% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Affected Products 2

Vendor	Product	Version	Range
yitechnology	yi_home_camera_firmware	1.8.7.0d	any
yitechnology	yi_home_camera	*	any

References 1

talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0566

ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.