CVE-2018-9149
6.8 · MEDIUMOverview
CVE-2018-9149 is a medium-severity vulnerability affecting zyxel ac3000_firmware. It was published on April 1, 2018 and has a CVSS 3.0 base score of 6.8 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
The Zyxel Multy X (AC3000 Tri-Band WiFi System) device doesn't use a suitable mechanism to protect the UART. After an attacker dismantles the device and uses a USB-to-UART cable to connect the device, he can use the 1234 password for the root account to login to the system. Furthermore, an attacker can start the device's TELNET service as a backdoor.
Remediation
Check the references section for vendor advisories and patches from zyxel. Update ac3000_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-2018-9149?
CVE-2018-9149 is a medium-severity vulnerability affecting zyxel ac3000_firmware. It was published on April 1, 2018 and has a CVSS 3.0 base score of 6.8 (MEDIUM).
How severe is CVE-2018-9149?
This vulnerability has a CVSS 3.0 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-9149?
Check the references section for vendor advisories and patches from zyxel. Update ac3000_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-2018-9149?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-9149 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.
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