CVE-2018-20373 Cross-site scripting in n/a

Medium 5.4 Published Updated

An attacker can inject malicious scripts via a DHCP client hostname, potentially executing code or bypassing security in Tenda ADSL modem routers.

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-2018-20373?

CVE-2018-20373 is a medium-severity cross-site scripting vulnerability in n/a, published on 23 Dec 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Tenda ADSL modem routers 1.0.1 allow XSS via the hostname of a DHCP client.

Weakness: CWE-79

Which versions are affected by CVE-2018-20373?

It affects 1 product.

Products include Tendacn Adsl Firmware.

How do I fix CVE-2018-20373?

No fix has been published for CVE-2018-20373 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-2018-20373 being exploited?

There is no known exploitation of CVE-2018-20373 in the wild and no public exploit code.

Sources

Also known as GHSA-777w-m6h4-vgr8.

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