CVE-2018-0521 Auth bypass in WXR-1900DHP2

High 8.8 Published 9 Mar 2018 Updated 5 Aug 2024

Attackers can bypass authentication and execute arbitrary commands on Buffalo WXR-1900DHP2 routers, requiring firmware updates.

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

What is CVE-2018-0521?

CVE-2018-0521 is a high-severity authentication bypass vulnerability in BUFFALO INC. WXR-1900DHP2, published on 9 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffalo WXR-1900DHP2 firmware Ver.2.48 and earlier allows an attacker to bypass authentication and execute arbitrary commands on the device via unspecified vectors.

Weakness: CWE-306

Which versions are affected by CVE-2018-0521?

It affects 1 product.

Products include Buffalo Wxr-1900dhp2 Firmware.

How do I fix CVE-2018-0521?

No fix has been published for CVE-2018-0521 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-0521 being exploited?

There is no known exploitation of CVE-2018-0521 in the wild and no public exploit code.

Sources

Also known as GHSA-cmgx-2w9w-7ph2.