Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
References
- https://community.silabs.com/068Vm00000x0yyH
- https://docs.silabs.com/rs9116-wiseconnect/latest/wifibt-wc-release-notes/rs9116
- https://docs.silabs.com/sisdk-release-notes/latest/sisdk-wifi-release-notes/sisd
- https://www.ndss-symposium.org/ndss-paper/blerp-ble-re-pairing-attacks-and-defen
FAQ
What is CVE-2026-19293?
CVE-2026-19293 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 pa...
How severe is CVE-2026-19293?
CVE-2026-19293 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-19293?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.