Description
In Connect SDK 4.3.1 and earlier and Flex SDK 3.7.7 and earlier, a message with invalid security settings may bypass authentication resulting in network disruption. This vulnerability does not allow an attacker to gain the Network Key or otherwise break confidentiality.
Published: 2026-10-22
Score: 7.2 High
EPSS: n/a
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 22 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
Description In Connect SDK 4.3.1 and earlier and Flex SDK 3.7.7 and earlier, a message with invalid security settings may bypass authentication resulting in network disruption. This vulnerability does not allow an attacker to gain the Network Key or otherwise break confidentiality.
Title Dis-connect vulnerability in Connect Stack
Weaknesses CWE-940
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Silabs

Published:

Updated: 2026-10-22T16:01:08.434Z

Reserved: 2026-07-24T13:33:53.357Z

Link: CVE-2026-66279

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-22T14:17:43.840

Modified: 2026-10-22T15:27:57.680

Link: CVE-2026-66279

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T16:30:08Z

Weaknesses
  • CWE-940

    Improper Verification of Source of a Communication Channel