CVE-2024-42057
8.1 · HIGHOverview
CVE-2024-42057 is a high-severity vulnerability affecting zyxel zld. It was published on September 3, 2024 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an unauthenticated attacker to execute some OS commands on an affected device by sending a crafted username to the vulnerable device. Note that this attack could be successful only if the device was configured in User-Based-PSK authentication mode and a valid user with a long username exceeding 28 characters exists.
Remediation
Check the references section for vendor advisories and patches from zyxel. Update zld 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 | zld | >= 4.32, < 5.39 | Affected |
Frequently Asked Questions
What is CVE-2024-42057?
CVE-2024-42057 is a high-severity vulnerability affecting zyxel zld. It was published on September 3, 2024 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2024-42057?
This vulnerability has a CVSS 3.1 base score of 8.1, 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-2024-42057?
Check the references section for vendor advisories and patches from zyxel. Update zld 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-2024-42057?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-42057 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
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