CVE-2025-5508 TOTOLINK A3002RU IP Port Filtering Page cross site scripting

Medium 4.8 Published 3 Jun 2025 Updated 3 Jun 2025

Remote attackers can inject malicious scripts via the Comment field on the IP Port Filtering page of TOTOLINK A3002RU 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-2025-5508?

CVE-2025-5508 is a medium-severity cross-site scripting vulnerability in TOTOLINK A3002RU, 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 A3002RU 2.1.1-B20230720.1011. It has been rated as problematic. Affected by this issue is some unknown functionality of the component IP Port Filtering Page. The manipulation of the argument Comment leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-5508?

It affects 1 product.

Products include Totolink A3002ru Firmware.

How do I fix CVE-2025-5508?

No fix has been published for CVE-2025-5508 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-2025-5508 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5508 exists.

Sources

Also known as GHSA-q3q3-r499-2w2w.