CVE-2018-3920

Name: CVE-2018-3920
Creator: NVD / NIST
Published: 2018-11-02T17:29:00.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2018-3920 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. 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. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.8/10

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

EPSS Probability

0.59%

43.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Yitechnology	Yi Home Camera Firmware	1.8.7.0d

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0584Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0584Exploit, Third Party Advisory

Timeline

Published: Nov 2, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-3920?

How severe is CVE-2018-3920?

CVE-2018-3920 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3920?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-3920?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST