CVE-2021-27403 Cross-site scripting in n/a

Medium 6.1 Published 19 Feb 2021 Updated 3 Aug 2024

Cross-site scripting vulnerability in Askey RTF8115VW routers allows attackers to inject malicious scripts via the web interface.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-27403?

CVE-2021-27403 is a medium-severity cross-site scripting vulnerability in n/a, published on 19 Feb 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Askey RTF8115VW BR_SV_g11.11_RTF_TEF001_V6.54_V014 devices allow cgi-bin/te_acceso_router.cgi curWebPage XSS.

Weakness: CWE-79

Which versions are affected by CVE-2021-27403?

It affects 1 product.

Products include Asus Askey Rtf8115vw Firmware.

How do I fix CVE-2021-27403?

No fix has been published for CVE-2021-27403 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-2021-27403 being exploited?

There is no known exploitation of CVE-2021-27403 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

CVE-2021-27404 Open redirect in n/a Medium 6.1

Sources

Also known as GHSA-j3fq-v58h-96qr.