CVE-2026-19293

HIGH
MEDIUM Priority: 0.02 BB Relevance: 63/100
Published: 2026-08-13 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Adjacent Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Adjacent
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

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.

Weakness Classification (1)

Bug Bounty Relevance

63 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.8 / 10.0 v3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.20%
Raw Score 0.002000
Percentile 9.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00200
2026-10-28
0.00200

Intelligence Sources

nvd ref →