CVE-2019-14918 Cross-site scripting in n/a

Medium 5.4 Published 9 Jan 2020 Updated 5 Aug 2024

An attacker can inject arbitrary HTML/JavaScript via crafted DHCP packets to achieve client-side code execution on the router's lease-status table.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2019-14918?

CVE-2019-14918 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Jan 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

XSS in the DHCP lease-status table in Billion Smart Energy Router SG600R2 Firmware v3.02.rc6 allows an attacker to inject arbitrary HTML/JavaScript code to achieve client-side code execution via crafted DHCP request packets to etc_ro/web/internet/dhcpcliinfo.asp.

Weakness: CWE-79

Which versions are affected by CVE-2019-14918?

It affects 1 product.

Products include Billion Sg600 R2 Firmware.

How do I fix CVE-2019-14918?

No fix has been published for CVE-2019-14918 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-14918 being exploited?

There is no known exploitation of CVE-2019-14918 in the wild and no public exploit code.

Sources

Also known as GHSA-vgr2-xrrq-jr2p.