CVE-2026-41446 WattBox 800 & 820 Series < 2.10.0.0 RCE via Diagnostic Endpoints
Attackers can execute arbitrary commands as root on WattBox devices by using plaintext MAC and service tag credentials from the device label.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-41446?
CVE-2026-41446 is a critical vulnerability in Snap One, LLC WattBox 800, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Snap One WattBox 800 and 820 series firmware versions prior to 2.10.0.0 contain undisclosed diagnostic HTTP endpoints that require only the device MAC address and service tag for authentication, both of which are printed in plaintext on the physical device label. Attackers with access to the device label or documentation containing these values can authenticate to the several endpoints and execute arbitrary commands as root on the device.
Which versions are affected by CVE-2026-41446?
How do I fix CVE-2026-41446?
No fix has been published for CVE-2026-41446 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-41446 being exploited?
There is no known exploitation of CVE-2026-41446 in the wild and no public exploit code.
Sources
Also known as GHSA-f7pq-m4g9-frrj.