CVE-2019-9590
7.5 · HIGHOverview
CVE-2019-9590 is a high-severity vulnerability affecting tengcon t-920_plc_firmware. It was published on March 6, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from tengcon. Update t-920_plc_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2019-9590?
CVE-2019-9590 is a high-severity vulnerability affecting tengcon t-920_plc_firmware. It was published on March 6, 2019 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2019-9590?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-9590?
Check the references section for vendor advisories and patches from tengcon. Update t-920_plc_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2019-9590?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-9590 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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