CVE-2018-3899

Name: CVE-2018-3899
Creator: NVD / NIST
Published: 2018-11-02T17:29:00.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.93%

Last modified Jun 17, 2026

CVE-2018-3899 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

Description

An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. The trans_info call can overwrite a buffer of size 0x104, which is more than enough to overflow the return address from the password_dst field

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.93%

77.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Yitechnology	Yi Home Camera Firmware	1.8.7.0d

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0571Exploit, Technical Description, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0571Exploit, Technical Description, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2018-3899?

How severe is CVE-2018-3899?

CVE-2018-3899 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.

How do I fix CVE-2018-3899?

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-2018-3899?

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

Scan your code now

Source: NVD / NIST