CVE-2026-19293

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://community.silabs.com/068Vm00000x0yyH
https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes
https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes
https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-13 15:19

Updated : 2026-09-08 19:12

NVD link : CVE-2026-19293

Mitre link : CVE-2026-19293

CVE.ORG link : CVE-2026-19293

JSON object : View

Products Affected

No product.

CWE

CWE-521

Weak Password Requirements

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