CVE-2018-4027

Name: CVE-2018-4027
Creator: NVD / NIST
Published: 2019-05-13T16:29:00.977+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.74%

Last modified Jun 17, 2026

CVE-2018-4027 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An exploitable denial-of-service vulnerability exists in the XML_UploadFile Wi-Fi command of the NT9665X Chipset firmware, running on the Anker Roav A1 Dashcam, version RoavA1SWV1.9. A specially crafted packet can cause a semaphore deadlock, which prevents the device from receiving any physical or network inputs. EPSS estimates a 1.74% chance of exploitation in the next 30 days.

Description

An exploitable denial-of-service vulnerability exists in the XML_UploadFile Wi-Fi command of the NT9665X Chipset firmware, running on the Anker Roav A1 Dashcam, version RoavA1SWV1.9. A specially crafted packet can cause a semaphore deadlock, which prevents the device from receiving any physical or network inputs. An attacker can send a specially crafted packet to trigger this vulnerability.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.74%

74.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-662

Affected Software

Vendor	Product	Versions
Anker-In	Roav Dashcam A1 Firmware	1.9

References

https://talosintelligence.com/vulnerability_reports/TALOS-2018-0699Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0699Exploit, Third Party Advisory

Timeline

Published: May 13, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-4027?

How severe is CVE-2018-4027?

CVE-2018-4027 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.74% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4027?

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-2018-4027?

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

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Source: NVD / NIST