CVE-2025-5543 TOTOLINK X2000R Parent Controls Page cross site scripting

Medium 4.8 Published 3 Jun 2025 Updated 4 Jun 2025

Remote attackers can inject malicious scripts via the Device Name field in the Parent Controls page of TOTOLINK X2000R routers.

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-2025-5543?

CVE-2025-5543 is a medium-severity cross-site scripting vulnerability in TOTOLINK X2000R, published on 3 Jun 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A vulnerability was found in TOTOLINK X2000R 1.0.0-B20230726.1108. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Parent Controls Page. The manipulation of the argument Device Name leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-5543?

It affects 1 product.

Products include Totolink X2000r Firmware.

How do I fix CVE-2025-5543?

No fix has been published for CVE-2025-5543 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-2025-5543 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5543 exists.

Sources

Also known as GHSA-9xf4-53cr-j936.