Actively exploited in the wild
Zyxel Multiple Firewalls Path Traversal Vulnerability
Zyxel - Multiple Firewalls · Listed in the CISA KEV since 2024-12-03. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CVE-2024-11667
HighCVSS 7.5KEVExploitation Probability (EPSS)
High risk86th percentile - higher than 86% of all known CVEs
Summary
A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.
Risk Assessment
The risk includes the possibility of unauthorized access to system files or uploading malicious files, which could lead to device compromise.
Recommendation
It is recommended to upgrade the firmware to the latest version and restrict access to the management interface to trusted networks only.
Original NVD description (English source)
A directory traversal vulnerability in the web management interface of Zyxel ATP series firmware versions V5.00 through V5.38, USG FLEX series firmware versions V5.00 through V5.38, USG FLEX 50(W) series firmware versions V5.10 through V5.38, and USG20(W)-VPN series firmware versions V5.10 through V5.38 could allow an attacker to download or upload files via a crafted URL.