Is CVE-2018-4027 actively exploited?

No active exploitation of CVE-2018-4027 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-4027 be exploited remotely?

Yes. CVE-2018-4027 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-4027?

CVE-2018-4027 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2018-4027

CWE-662Published: May 13, 2019· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-4027 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.