CVE-2022-2030
6.5 · MEDIUMOverview
CVE-2022-2030 is a medium-severity vulnerability affecting zyxel usg_flex_100w_firmware. It was published on July 19, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.
Remediation
Check the references section for vendor advisories and patches from zyxel. Update usg_flex_100w_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 |
|---|---|---|---|
| zyxel | usg_flex_100w_firmware | 4.50 | Affected |
| zyxel | usg_flex_200_firmware | 4.50 | Affected |
| zyxel | usg_flex_500_firmware | 4.50 | Affected |
| zyxel | usg_flex_700_firmware | 4.50 | Affected |
| zyxel | usg_flex_50w_firmware | 4.20 | Affected |
| zyxel | usg20w-vpn_firmware | 4.20 | Affected |
| zyxel | atp800_firmware | 4.32 | Affected |
| zyxel | atp700_firmware | 4.32 | Affected |
| zyxel | atp500_firmware | 4.32 | Affected |
| zyxel | atp200_firmware | 4.32 | Affected |
Frequently Asked Questions
What is CVE-2022-2030?
CVE-2022-2030 is a medium-severity vulnerability affecting zyxel usg_flex_100w_firmware. It was published on July 19, 2022 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2022-2030?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-2030?
Check the references section for vendor advisories and patches from zyxel. Update usg_flex_100w_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-2022-2030?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-2030 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.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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