CVE-2020-25498 Cross-site scripting in n/a

Medium 4.8 Published 6 Jan 2021 Updated 9 Jul 2026

Attackers can inject malicious scripts via NTP server name or URL filter keywords in Beetel routers, potentially compromising user sessions.

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-2020-25498?

CVE-2020-25498 is a medium-severity cross-site scripting vulnerability in n/a, published on 6 Jan 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting (XSS) vulnerability in Beetel router 777VR1 can be exploited via the NTP server name in System Time and "Keyword" in URL Filter.

Weakness: CWE-79

Which versions are affected by CVE-2020-25498?

It affects 1 product.

Products include Beetel 777vr1 Firmware.

How do I fix CVE-2020-25498?

No fix has been published for CVE-2020-25498 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-2020-25498 being exploited?

There is no known exploitation of CVE-2020-25498 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-cgmg-vh78-2874.