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CVE-2021-37740

HIGH CVSS: 7.5 Published: 2022-04-20 Modified: 2026-06-17

Description

A denial of service vulnerability exists in MDT's firmware for the KNXnet/IP Secure router SCN-IP100.03 and KNX IP interface SCN-IP000.03 before v3.0.4, that allows a remote attacker to turn the device unresponsive to all requests on the KNXnet/IP Secure layer, until the device is rebooted, via a SESSION_REQUEST frame with a modified total length field.

Affected Platforms

Mdt Scn-Ip000.03 FirmwareMdt Scn-Ip100.03 FirmwareMdt Scn-Ip000.03Mdt Scn-Ip100.03

Weakness Type

NVD-CWE-noinfo

References