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CVE-2026-41446

CRITICAL
9.8
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-41446
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-04-20 16:07 UTC
Published
2026-04-28 21:15 UTC
Last updated
2026-05-14 02:09 UTC
Primary CWE
CWE-912
CWE-912 Hidden Functionality
Vendor / Product
Snap One, LLC / WattBox 800
Sources
cve.org  ·  NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Exploitation
none
Automatable
yes
Tech. Impact
total
Affected products (2)
VendorProductPlatformVersions
Snap One, LLC WattBox 800 — 0 < 2.10.0.0
Snap One, LLC WattBox 820 — 0 < 2.10.0.0
Weakness (CWE)
CWESourceDescription
CWE-798 cna CWE-798 Use of Hard-coded Credentials
CWE-912 cna CWE-912 Hidden Functionality
CVSS scores (2)
ScoreSeverityVersionSourceVector
9.8 CRITICAL 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.2 CRITICAL 4.0 cna CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References (1)
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