8.8High

CVE-2026-19293SMP security request

silabs.com WiseConnect Published: 2026-08-13 17:18 (3 months ago)

Description

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.

Weakness (CWE): CWE-521

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
silabs.com	WiseConnect	4.0.0 – < 4.1.0, 2.0.0 – < 2.14.0

References and patches

CVSS score

8.8High

Source: Silabs · CVSS 3.1

Attack vector: Adjacent
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

All scores (2)

cna	CVSS 3.1	8.8High
product-security@silabs.com	CVSS 3.1	8.8High

EPSS (chance of exploitation in 30 days)

0.20%

higher than 10% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: total

Timeline

ID reserved2026-08-07
Published2026-08-13 17:18
Reached IP-DB2026-10-24 23:40
Last updated2026-10-23 21:10

Assigned by (CNA): Silabs
NVD status: Awaiting Analysis

View at source: CVE.org · NVD

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