CVE-2020-26918 Cross-site scripting in n/a

Medium 4.1 Published 9 Oct 2020 Updated 4 Aug 2024

Stored XSS in NETGEAR routers allows attackers to inject scripts, potentially leading to session hijacking or malicious actions.

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

What is CVE-2020-26918?

CVE-2020-26918 is a medium-severity cross-site scripting vulnerability in Netgear R6250 Firmware, published on 9 Oct 2020. 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

Certain NETGEAR devices are affected by stored XSS. This affects EX7000 before 1.0.1.78, R6250 before 1.0.4.34, R6400 before 1.0.1.46, R6400v2 before 1.0.2.66, R6700v3 before 1.0.2.66, R7100LG before 1.0.0.50, R7300DST before 1.0.0.70, R7900 before 1.0.3.8, R8300 before 1.0.2.128, and R8500 before 1.0.2.128.

Weakness: CWE-79

Which versions are affected by CVE-2020-26918?

It affects 10 products.

Products include Netgear Ex7000 Firmware, Netgear R6250 Firmware, Netgear R6400 Firmware, Netgear R6400v2 Firmware, Netgear R6700v3 Firmware, Netgear R7100lg Firmware and 4 more.

How do I fix CVE-2020-26918?

No fix has been published for CVE-2020-26918 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-2020-26918 being exploited?

There is no known exploitation of CVE-2020-26918 in the wild and no public exploit code.

All Netgear R6250 Firmware vulnerabilities

Sources

Also known as GHSA-c4pr-p8j7-fm86.