Unrated severityNVD Advisory· Published Apr 20, 2022· Updated Aug 4, 2024
CVE-2021-37740
CVE-2021-37740
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.
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Affected products
2- MDT/KNXnet/IP Secure router SCN-IP100.03 and KNX IP interface SCN-IP000.03description
- Range: <3.0.4
Patches
Vulnerability mechanics
References
2- www.mdt.de/EN_IP_Interface_Router.htmlmitrex_refsource_MISC
- www.mdt.de/download/MDT_CL_SCN_IP_03_IP_Interface_Router.pdfmitrex_refsource_MISC
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