CVE-2019-12195 Cross-site scripting in n/a
An attacker with admin access can inject XSS via the network name, causing a denial of service by disconnecting all users from the internet.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-12195?
CVE-2019-12195 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 May 2019. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
TP-Link TL-WR840N v5 00000005 devices allow XSS via the network name. The attacker must log into the router by breaking the password and going to the admin login page by THC-HYDRA to get the network name. With an XSS payload, the network name changed automatically and the internet connection was disconnected. All the users become disconnected from the internet.
Weakness: CWE-79
Which versions are affected by CVE-2019-12195?
It affects 1 product.
Products include Tp-Link Tl-Wr840n Firmware.
How do I fix CVE-2019-12195?
No fix has been published for CVE-2019-12195 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-2019-12195 being exploited?
There is no known exploitation of CVE-2019-12195 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-j3f3-xxfp-q982.