KNX Association KNX Protocol Connection Authorization Option 1 Vulnerability
KNX Association KNX Protocol Connection Authorization Option 1 contains an overly restrictive account lockout mechanism vulnerability that could allow an attacker to purge all devices without additional security options enabled and set a BCU key to lock the device.
CVSS Score
9.8
CRITICAL
Published
15 Jul 2026 00:00
Modified
N/A
Vendor
KNX Association
Product
KNX Protocol Connection Authorization Option 1
Source
CIRCL
Affected Versions
Fix
Vendor Patch / Mitigation Available
Weaknesses (CWE)
CWE-645
Affected Systems
KNX Association
KNX Protocol Connection Authorization Option 1
KNX Association
KNX Protocol Connection Authorization Option 1
External Links
KEV Status
Known Exploited Vulnerability