CVE-2026-32669 Code injection in BUFFALO Wi-Fi router products

High 8.7 Published 27 Mar 2026 Updated 27 Mar 2026

An attacker can execute arbitrary code on BUFFALO Wi-Fi routers due to a code injection vulnerability.

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-2026-32669?

CVE-2026-32669 is a high-severity code injection vulnerability in BUFFALO Wi-Fi router products, published on 27 Mar 2026. 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

Code injection vulnerability exists in BUFFALO Wi-Fi router products. If this vulnerability is exploited, an arbitrary code may be executed on the products.

Weakness: CWE-94

Which versions are affected by CVE-2026-32669?

It affects 46 products.

Products include Buffalo Fs-M1266 Firmware, Buffalo Fs-S1266 Firmware, Buffalo Vr-U300w Firmware, Buffalo Vr-U500x Firmware, Buffalo Wapm-1266r Firmware, Buffalo Wapm-1266wdpr Firmware and 40 more.

How do I fix CVE-2026-32669?

No fix has been published for CVE-2026-32669 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-32669 being exploited?

There is no known exploitation of CVE-2026-32669 in the wild and no public exploit code.

Sources

Also known as GHSA-vxrf-632h-2jj6.