Vulnerability in Silabs.com Wiseconnect
CVE-2026-19291
Bluetooth re-pairing with an existing device can use a lower security level. RS9116W and SiWx91x impacted. See V3 in the 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: 0.004 (26.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Silabs.com Wiseconnect — versions 4.0.0, 2.0.0
Weakness classification (CWE)
References
- docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisdk-wifib… (release-notes)
- docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116-ble-re… (release-notes)
- community.silabs.com/068Vm00000x0yyH (vendor-advisory, permissions-required)
- www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defenses/ (related)
Frequently asked questions
- What is CVE-2026-19291?
- CVE-2026-19291 is a high-severity vulnerability in Silabs.com Wiseconnect, classified under Authentication Bypass by Spoofing. CVSS score: 8.8/10. Published 2026-08-13.
- How severe is CVE-2026-19291?
- High severity. CVSS v3 base score is 8.8 out of 10.