Vulnary
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Critical· 9.2official fix available

CVE-2026-41446

The Snap One WattBox 800/820 devices have a critical vulnerability in firmware before 2.10.0.0. Attackers can use publicly visible device labels to authenticate to hidden HTTP endpoints and execute commands as root, risking full control of the device.

publishedApr 28, 2026
last modifiedJul 24, 2026
sourcesNVD
severity · cvss
9.2
critical · how bad it is
exploitation · epss
<1%
36th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 25, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Snap One WattBox 800 and 820 series devices running firmware versions prior to 2.10.0.0

02

Real-world impact

Attackers with physical access to device labels or documentation can gain remote root access and control the device.

03

Why this severity

CVSS 9.2 (critical) due to remote code execution with high exploitability and attack vector.

04

What to do about it

official fix available
recommended steps
  1. 011. Check the current firmware version on the WattBox device.
  2. 022. Upgrade to firmware version 2.10.0.0 or later if available.
  3. 033. Verify the upgrade was successful through the device's management interface.

NVD description indicating firmware upgrade to 2.10.0.0 resolves the vulnerability

05

Timeline

  1. Apr 28, 2026 · Apr 28, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 24, 2026 · 11d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 26, 2026 · 10d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Attack requirementsPresent
Privileges requiredNone
User interactionNone needed
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →