CVE-2018-3920 | BDVDB-2026-109059 Detail

Yi Technology

Description#

An exploitable code execution vulnerability exists in the firmware update functionality of the Yi Home Camera 27US 1.8.7.0D. A specially crafted 7-Zip file can cause a CRC collision, resulting in a firmware update and code execution. An attacker can insert an SDcard to trigger this vulnerability.

Impact#

Per CVSS v3.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: physical.

Weaknesses#

No weakness recorded in the source data.

References#

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0584

Exploit#

No public exploit known

History#

Version 12018-11-02Record published in the CVE List.
Version 22024-08-05Most recent update recorded in the CVE List.

Published

Published: 2018-11-02
Last modified: 2024-08-05

Vendor information

Vendor: Not stated
Product: Yi Technology

Score

7.6 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 48.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Yi Technology Home Camera 27US 1.8.7.0D
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

7.6 High

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Metric breakdown
Attack Vector	Physical
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).