CVE-2022-42202 Cross-site scripting in n/a

Medium 6.1 Published 18 Oct 2022 Updated 13 May 2025

An attacker can inject malicious scripts into the TP-Link TL-WR841N router interface, potentially compromising user sessions.

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

What is CVE-2022-42202?

CVE-2022-42202 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 Oct 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

TP-Link TL-WR841N 8.0 4.17.16 Build 120201 Rel.54750n is vulnerable to Cross Site Scripting (XSS).

Weakness: CWE-79

Which versions are affected by CVE-2022-42202?

It affects 1 product.

Products include Tp-Link Tl-Wr841n Firmware.

How do I fix CVE-2022-42202?

No fix has been published for CVE-2022-42202 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-2022-42202 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-42202 exists.

Sources

Also known as GHSA-hv3r-qp63-mh8m.