Vulnerability in Silabs.com Wiseconnect
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (8.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
- Silabs.com Wiseconnect — versions 4.0.0, 2.0.0
Weakness classification (CWE)
References
- community.silabs.com/068Vm00000x0yyH
- docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-re… (release-notes)
- docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifib… (release-notes)
- www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/
Frequently asked questions
- What is CVE-2026-19293?
- CVE-2026-19293 is a high-severity vulnerability in Silabs.com Wiseconnect, classified under Weak Password Requirements. CVSS score: 8.8/10. Published 2026-08-13.
- How severe is CVE-2026-19293?
- High severity. CVSS v3 base score is 8.8 out of 10.