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High 8.8Published Aug 13, 2026
CVE-2026-19293SMP security request
Updated under an hour ago ()
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It affects silabs.com WiseConnect. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-521
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Silabs
- NVD analysis
- Awaiting Analysis
- Record last updated
- Aug 13, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
silabs.com WiseConnect silabs.com:wiseconnect (from the name) | from 4.0.0 before 4.1.0; from 2.0.0 before 2.14.0 | CNA record |
References
- https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notesrelease-notes
- https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixesrelease-notes
- https://community.silabs.com/068Vm00000x0yyH
- https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.