High severity7.5NVD Advisory· Published Mar 6, 2019· Updated Jun 17, 2026
CVE-2019-9590
CVE-2019-9590
Description
An issue was discovered on TENGCONTROL T-920 PLC v5.5 devices. It allows remote attackers to cause a denial of service (persistent failure mode) by sending a series of \x19\xb2\x00\x00\x00\x06\x43\x01\x00\xac\xff\x00 (aka UID 0x43) requests to TCP port 502.
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Affected products
2- cpe:2.3:o:tengcon:t-920_plc_firmware:5.5:*:*:*:*:*:*:*
- Range: 5.5
Patches
Vulnerability mechanics
References
1- github.com/Ni9htMar3/vulnerability/blob/master/PLC/%E8%85%BE%E6%8E%A7/T920_PLC_DOS.mdnvdExploitThird Party Advisory
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