CVE-2026-41446Network attack vector

Root command execution via diagnostic HTTP endpoints

Published Apr 28, 2026 · Updated Apr 28, 2026

Command injection in Snap One WattBox 800 and 820 firmware before 2.10.0.0 allows remote attackers to execute commands as root. Undisclosed diagnostic HTTP endpoints accept the device MAC address and service tag as sufficient authentication before executing attacker-controlled commands with root privileges. Reachability requires network access and possession of both label values, which appear in plaintext on the device or associated documentation.

CVSS severity9.2
Critical
EPSS probability0.43%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in Snap One WattBox 800 and 820 firmware before 2.10.0.0 allows remote attackers to execute commands as root. Undisclosed diagnostic HTTP endpoints accept the device MAC address and service tag as sufficient authentication before executing attacker-controlled commands with root privileges. Reachability requires network access and possession of both label values, which appear in plaintext on the device or associated documentation.

The record

CVE
CVE-2026-41446
Published
Apr 28, 2026
Updated
Apr 28, 2026
Vendor
Snap One, LLC
Product
WattBox 820 Series
Classifications
CWE-912, CWE-798, T1059.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2.10.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Snap One, LLC · WattBox 820 Seriesversion=0 <2.10.0.0
Snap One, LLC · WattBox 800 Seriesversion=0 <2.10.0.0

Published CVSS scores

9.2VulnCheckCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-912Hidden Functionality
CWE-798Use of Hard-coded Credentials
T1059.004Unix Shell

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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