CVE-2021-45663 Cross-site scripting in n/a

Medium 6.1 Published 26 Dec 2021 Updated 4 Aug 2024

An attacker can inject malicious scripts into NETGEAR R7000 routers, potentially compromising user sessions or device integrity.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-45663?

CVE-2021-45663 is a medium-severity cross-site scripting vulnerability in Netgear R7000 Firmware, published on 26 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NETGEAR R7000 devices before 1.0.11.126 are affected by stored XSS.

Weakness: CWE-79

Which versions are affected by CVE-2021-45663?

It affects 1 product.

Products include Netgear R7000 Firmware.

How do I fix CVE-2021-45663?

No fix has been published for CVE-2021-45663 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-2021-45663 being exploited?

There is no known exploitation of CVE-2021-45663 in the wild and no public exploit code.

All Netgear R7000 Firmware vulnerabilities

Sources

Also known as GHSA-2p74-qpqc-x284.