CVE-2017-2274 Cross-site scripting in WMR-433

Medium 6.1 Published Updated

Remote attackers can inject arbitrary web script or HTML into the WMR-433 router firmware, potentially compromising user sessions.

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-2017-2274?

CVE-2017-2274 is a medium-severity cross-site scripting vulnerability in BUFFALO INC. WMR-433, published on 22 Jul 2017. 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

Cross-site scripting vulnerability in WMR-433 firmware Ver.1.02 and earlier, WMR-433W firmware Ver.1.40 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2017-2274?

It affects 2 products.

Products include Buffalo Wmr-433 Firmware, Buffalo Wmr-433w Firmware.

How do I fix CVE-2017-2274?

No fix has been published for CVE-2017-2274 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-2017-2274 being exploited?

There is no known exploitation of CVE-2017-2274 in the wild and no public exploit code.

Sources

Also known as GHSA-x85m-gcmc-jcj8.

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