CVE-2025-25431 Cross-site scripting in n/a

Medium 4.8 Published 28 Feb 2025 Updated 4 Mar 2025

An attacker can inject malicious scripts into the captive portal page, potentially stealing user credentials or executing code in the victim's browser.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-25431?

CVE-2025-25431 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Feb 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Trendnet TEW-929DRU 1.0.0.10 contains a Stored Cross-site Scripting (XSS) vulnerability via the The ssid key of wifi_data parameter on the /captive_portal.htm page.

Weakness: CWE-79

Which versions are affected by CVE-2025-25431?

It affects 1 product.

Products include Trendnet Tew-929dru Firmware.

How do I fix CVE-2025-25431?

No fix has been published for CVE-2025-25431 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-2025-25431 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-25431 exists.

Sources

Also known as GHSA-9h7g-r8hc-vrmp.