CVE-2022-38547
7.2 · HIGHOverview
CVE-2022-38547 is a high-severity vulnerability affecting zyxel atp100_firmware. It was published on February 7, 2023 and has a CVSS 3.1 base score of 7.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.
Remediation
Check the references section for vendor advisories and patches from zyxel. Update atp100_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 | atp100_firmware | 4.32 | Affected |
| zyxel | atp200_firmware | 4.32 | Affected |
| zyxel | atp700_firmware | 4.32 | Affected |
| zyxel | atp500_firmware | 4.32 | Affected |
| zyxel | atp100w_firmware | 4.32 | Affected |
| zyxel | atp800_firmware | 4.32 | Affected |
| zyxel | usg_flex_50_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 |
Frequently Asked Questions
What is CVE-2022-38547?
CVE-2022-38547 is a high-severity vulnerability affecting zyxel atp100_firmware. It was published on February 7, 2023 and has a CVSS 3.1 base score of 7.2 (HIGH).
How severe is CVE-2022-38547?
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-38547?
Check the references section for vendor advisories and patches from zyxel. Update atp100_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-2022-38547?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-38547 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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