CVE-2026-19293

8.8 HIGH 0.2% exploit odds No fix listed Other

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-08-13 15:19 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-23 18:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-08-13 15:19 UTC
Last modified: 2026-10-23 18:10 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-521
Record status: Awaiting Analysis

Attack profile CVSS 3.1 · 8.8

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Download Square Reddit

References

NVD record · CVE.org record