CVE-2026-19293

SMP security request

8.8 High

SMP security request (from peripheral) does not include the maximum encryption key size supported. Using a key with less than the maximum keysize makes brute-forcing the key easier. See V6 in BLERP paper linked below.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.20%Up 0.1 points since Aug 14, 2026

What each source reports

CVE List Score used 8.8

SMP security request

Record: CVE-2026-19293
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-521
Updated: 2026-11-02

EUVDEUVD-2026-58076 8.8

Record: EUVD-2026-58076
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-vm4r-7vjx-6f97 8.8

SMP security request (from peripheral) does not include the maximum encryption key size supported...

Record: GHSA-vm4r-7vjx-6f97
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-521
Updated: 2026-11-02

NVD 8.8

Record: CVE-2026-19293
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-521
Updated: 2026-11-02

Affected products

silabs.com wiseconnect

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-19293 is a high vulnerability (CVSS 8.8) in Silabs.com Wiseconnect, published August 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.