CVE-2018-4026 Null dereference in Novatek

What is CVE-2018-4026?

CVE-2018-4026 is a high-severity vulnerability in Novatek, published on 13 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An exploitable denial-of-service vulnerability exists in the XML_GetScreen Wi-Fi command of the NT9665X Chipset firmware, running on the Anker Roav A1 Dashcam, version RoavA1SWV1.9. A specially crafted set of packets can cause an invalid memory dereference, resulting in a device reboot.

Weakness: CWE-754

Which versions are affected by CVE-2018-4026?

It affects 1 product.

Products include Anker-in Roav Dashcam A1 Firmware.

How do I fix CVE-2018-4026?

No fix has been published for CVE-2018-4026 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-4026 being exploited?

There is no known exploitation of CVE-2018-4026 in the wild and no public exploit code.

Other vulnerabilities in Novatek

• CVE-2018-4018 File upload in Novatek Critical 10.0
• CVE-2018-4023 Memory corruption in Novatek Critical 10.0
• CVE-2018-4029 Memory corruption in Novatek Critical 10.0
• CVE-2018-4014 Memory corruption in Anker High 8.0
• CVE-2018-4016 Memory corruption in Anker High 8.0

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-h2jp-r7hc-h3mc.