CVE-2017-18833 Cross-site scripting in n/a

Medium 6.1 Published Updated

Reflected XSS in NETGEAR M4300/M4200 switches allows attackers to execute scripts in user browsers, potentially bypassing security controls.

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

What is CVE-2017-18833?

CVE-2017-18833 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 Apr 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 reflected XSS. This affects M4300-28G before 12.0.2.15, M4300-52G before 12.0.2.15, M4300-28G-POE+ before 12.0.2.15, M4300-52G-POE+ before 12.0.2.15, M4300-8X8F before 12.0.2.15, M4300-12X12F before 12.0.2.15, M4300-24X24F before 12.0.2.15, M4300-24X before 12.0.2.15, M4300-48X before 12.0.2.15, and M4200 before 12.0.2.15.

Weakness: CWE-79

Which versions are affected by CVE-2017-18833?

It affects 10 products.

Products include Netgear M4200 Firmware, Netgear M4300-12x12f Firmware, Netgear M4300-24x24f Firmware, Netgear M4300-24x Firmware, Netgear M4300-28g-Poe\+ Firmware, Netgear M4300-28g Firmware and 4 more.

How do I fix CVE-2017-18833?

No fix has been published for CVE-2017-18833 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-2017-18833 being exploited?

There is no known exploitation of CVE-2017-18833 in the wild and no public exploit code.

Sources

Also known as GHSA-2qch-v5gg-365x.

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