CVE-2019-20749 Cross-site scripting in n/a

Medium 4.8 Published Updated

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
Not needed
Fix
None listed

What is CVE-2019-20749?

CVE-2019-20749 is a medium-severity cross-site scripting vulnerability in Netgear D7800 Firmware, published on 16 Apr 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.47, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, R8900 before 1.0.4.12, R9000 before 1.0.4.12, WN2000RPTv3 before 1.0.1.32, WN3000RPv3 before 1.0.2.70, and WN3100RPv2 before 1.0.0.66.

Weakness: CWE-79

Which versions are affected by CVE-2019-20749?

It affects 10 products.

Products include Netgear D7800 Firmware, Netgear Ex6100 Firmware, Netgear Ex6150 Firmware, Netgear R7500 Firmware, Netgear R7800 Firmware, Netgear R8900 Firmware and 4 more.

How do I fix CVE-2019-20749?

No fix has been published for CVE-2019-20749 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-2019-20749 being exploited?

There is no known exploitation of CVE-2019-20749 in the wild and no public exploit code.

All Netgear D7800 Firmware vulnerabilities

Sources

Also known as GHSA-65fw-j36g-4qvw.

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