CVE-2018-8836
5.3 · MEDIUMOverview
CVE-2018-8836 is a medium-severity vulnerability affecting wago 750-880_firmware. It was published on April 3, 2018 and has a CVSS 3.0 base score of 5.3 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with commission and service tools. Specially crafted packets may also be sent to Port 2455/TCP/IP, used in Codesys management software, which may result in a denial-of-service condition of communications with commissioning and service tools.
Remediation
Check the references section for vendor advisories and patches from wago. Update 750-880_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 |
|---|---|---|---|
| wago | 750-880_firmware | 0 | Affected |
| wago | 750-881_firmware | 0 | Affected |
| wago | 750-852_firmware | 0 | Affected |
| wago | 750-882_firmware | 0 | Affected |
| wago | 750-885_firmware | 0 | Affected |
| wago | 750-831_firmware | 0 | Affected |
| wago | 750-889_firmware | 0 | Affected |
| wago | 750-829_firmware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2018-8836?
CVE-2018-8836 is a medium-severity vulnerability affecting wago 750-880_firmware. It was published on April 3, 2018 and has a CVSS 3.0 base score of 5.3 (MEDIUM).
How severe is CVE-2018-8836?
This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-8836?
Check the references section for vendor advisories and patches from wago. Update 750-880_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-2018-8836?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-8836 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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