CVE-2018-6303 Denial of service in Hanwha Techwin Smartcams

High 7.5 Published 13 Mar 2018 Updated 17 Sep 2024

Attackers can cause denial of service on Hanwha Techwin Smartcams by uploading malformed firmware files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-6303?

CVE-2018-6303 is a high-severity denial of service vulnerability in Hanwha Techwin Smartcams, published on 13 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Denial of service by uploading malformed firmware in Hanwha Techwin Smartcams

Which versions are affected by CVE-2018-6303?

It affects 2 products.

Products include Hanwha-Security Snh-V6410pn Firmware, Hanwha-Security Snh-V6410pnw Firmware.

How do I fix CVE-2018-6303?

No fix has been published for CVE-2018-6303 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-6303 being exploited?

There is no known exploitation of CVE-2018-6303 in the wild and no public exploit code.

Sources

Also known as GHSA-mf9v-pfpw-x74h.