CVE-2018-25035 Thomson TCW710 RGFirewallEL Persistent cross site scriting

Low 3.5 Published 12 Jun 2022 Updated 15 Apr 2025

Persistent cross-site scripting in Thomson TCW710 routers allows remote attackers to inject malicious scripts via POST requests.

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-2018-25035?

CVE-2018-25035 is a low-severity cross-site scripting vulnerability in Thomson TCW710, published on 12 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability, which was classified as problematic, was found in Thomson TCW710 ST5D.10.05. Affected is an unknown function of the file /goform/RGFirewallEL. The manipulation of the argument EmailAddress/SmtpServerName with the input ><script>alert(1)</script> as part of POST Request leads to cross site scripting (Persistent). It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-79, CWE-80

Which versions are affected by CVE-2018-25035?

It affects 1 product.

Products include Technicolor Thomson Tcw710 Firmware.

How do I fix CVE-2018-25035?

No fix has been published for CVE-2018-25035 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-2018-25035 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25035 exists.

Sources

Also known as GHSA-v3q8-j7rp-9vgp.