High severity8.6NVD Advisory· Published Sep 17, 2019· Updated Jun 17, 2026
CVE-2019-6831
CVE-2019-6831
Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions), which could cause disconnection of active connections when an unusually high number of IEC 60870- 5-104 packets are received by the module on port 2404/TCP.
Affected products
3- cpe:2.3:o:schneider-electric:bmxnor0200h_firmware:*:*:*:*:*:*:*:*
all firmware versions+ 1 more
- (no CPE)range: all firmware versions
- (no CPE)range: all firmware versions
Patches
Vulnerability mechanics
References
2- www.schneider-electric.com/en/download/document/SEVD-2019-225-03/nvdVendor Advisory
- security.cse.iitk.ac.in/responsible-disclosurenvdBroken Link
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