What is CVE-2018-4023?

CVE-2018-4023 is a critical-severity vulnerability in Anker-In Roav Dashcam A1, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-05-13.

How severe is CVE-2018-4023?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Anker-In Roav Dashcam A1

CVE-2018-4023

An exploitable code execution 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 stack-based buffer overflow, resulting in code execution.

Vulnerability class: Buffer Overflow

Published 2019-05-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.028 (86.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000

Affected products

Anker-In Roav Dashcam A1
Anker-In Roav Dashcam A1 Firmware — versions 1.9
Novatek — versions Anker Roav A1 Dashcam RoavA1SWV1.9

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

talosintelligence.com/vulnerability_reports/TALOS-2018-0695 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-4023?: CVE-2018-4023 is a critical-severity vulnerability in Anker-In Roav Dashcam A1, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-05-13.
How severe is CVE-2018-4023?: Critical severity. CVSS v3 base score is 9.8 out of 10.