CVE-2018-4023: An exploitable code execution vulnerability exists in the XML_UploadFile Wi-Fi command of the NT9665X Chipset

This week

CRITICAL 9.8REMOTEMITIGATE

CVE-2018-4023 is a critical-severity flaw (CVSS 9.8) affecting roav dashcam a1 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.8% (top 13%)
CISA exploited list	No
Weakness	CWE-787
Published	2019-05-13
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: anker-in

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-05-13 16:29 UTCPublished CVE record published
2026-06-17 01:58 UTCUpdated Record last modified

anker-in roav dashcam a1 firmware MITIGATE

Affected: 1.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.9

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-4023?

roav dashcam a1 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-4023 being exploited?

CVE-2018-4023 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-4023 affect?

CVE-2018-4023 affects roav dashcam a1 firmware. Severity is critical (CVSS 9.8). 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 ov

How urgent is CVE-2018-4023?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Wi-Fi vulnerabilities

Related CVEs

CVE-2018-4029 CRITICAL 9.8 MITIGATE An exploitable code execution vulnerability exists in the HTTP request-parsing function of the NT9665X Chipset
CVE-2018-4028 HIGH 7.5 MITIGATE An exploitable firmware update vulnerability exists in the NT9665X Chipset firmware running on the Anker Roav
CVE-2018-4027 HIGH 7.5 MITIGATE An exploitable denial-of-service vulnerability exists in the XML_UploadFile Wi-Fi command of the NT9665X Chips
CVE-2018-4026 HIGH 7.5 MITIGATE An exploitable denial-of-service vulnerability exists in the XML_GetScreen Wi-Fi command of the NT9665X Chipse
CVE-2018-4025 HIGH 7.5 MITIGATE An exploitable denial-of-service vulnerability exists in the XML_GetRawEncJpg Wi-Fi command of the NT9665X Chi

References

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