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VulnerabilityPublished Updated

CVE-2026-41446: Snap One WattBox 800 · Hidden Functionality

Affects Snap One WattBox 800Source CVE Database V5

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Not known to be exploited · CVSS 9.2 Critical : upgrade to 2.10.0.0 as a priority.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 4.0 base score
9.2Critical
How severe the flaw is on the 0–10 CVSS scale.

Contested

Critical score, yet low EPSS after six months
EPSS
0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.10.0.0
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade WattBox to 2.10.0.0.

Affected software

ProductAffectedFixed in
Snap One, LLCWattBox 800Affected
  • <2.10.0.0
Fixed in
  • 2.10.0.0
Snap One, LLCWattBox 820Affected
  • <2.10.0.0
Fixed in
  • 2.10.0.0

AI-suggested

If you cannot patch yet, restrict physical access to devices to prevent attackers from obtaining the MAC address and service tag. Network-level protections such as firewall rules limiting access to device management interfaces may reduce exposure.

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.

References

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