CVE-2026-93291

Improper certificate validation in Eufy Omni C20

Published Sep 24, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
Omni C20 lacks proper certificate validation which could allow an attacker to perform a man-in-the-middle attack which could allow them to execute arbitrary code.

Remediation

Vendor Solution

Eufy recommends users to upgrade to version 1.4.6 or later for Omni C20.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Eufy
Eufy omni C20
Vendors & Products Eufy
Eufy omni C20
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Omni C20 lacks proper certificate validation which could allow an attacker to perform a man-in-the-middle attack which could allow them to execute arbitrary code.
Title Improper certificate validation in Eufy Omni C20
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 9.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Oct 30, 2026, 5:26 PM
Reserved
Sep 17, 2026, 4:04 PM
Status
Deferred
Published
Sep 24, 2026, 8:17 PM
Modified
Oct 30, 2026, 6:18 PM