CVE-2019-9590

Public Exploit

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.

7.5

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.65%

Third-Party Advisory github.com

Affected: n/a n/a

References

Link	Tags
https://github.com/Ni9htMar3/vulnerability/blob/master/PLC/%E8%85%BE%E6%8E%A7/T920_PLC_DOS.md	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-9590?: CVE-2019-9590 has been scored as a high severity vulnerability.
How to fix CVE-2019-9590?: To fix CVE-2019-9590, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-9590 being actively exploited in the wild?: It is possible that CVE-2019-9590 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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