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Vulnerability record · CVE-2026-19293 · published 13 August 2026

CVE-2026-19293: Weak password requirements vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.20% · top 91.1% CWE-521 · Weak password requirements Awaiting Analysis
8.8CVSS 3.1 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
8 Sep 2026Last modified by NVD

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.

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

References

LinkTags
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/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.0CVE-2019-18988TeamViewer Desktop shared AES key bypasses remote-login access controlTeamViewer Desktop through 14.7.1965 uses the same AES key across all customer installations, including for OptionsPasswordAES. Anyone who knows that…KEVEPSS 4.7%analysed

Source: NIST National Vulnerability Database (record CVE-2026-19293), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.