CVE-2026-19293 json
SMP security request
published 2026-08-13 2 mo ago modified 2026-10-23 16 d ago also EUVD-2026-58076
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- silabs.com WiseConnect 2.14.0, 4.1.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 mo ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- silabs.com WiseConnect
Classification
- Weakness
-
- CWE-521 Weak Password Requirements
References
-
docs.silabs.com
/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifible-ble-release-notes
release-notes
-
docs.silabs.com
/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-release-notes#bug-fixes
release-notes
- community.silabs.com /068Vm00000x0yyH
- ndss-symposium.org /ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/
Sources
- CVE List CVE-2026-19293
- NVD CVE-2026-19293
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