December 3, 2024 · Applied Cybernetics Group
CVE-2024-11667 Zyxel Multiple Firewalls
known ransomware use
Zyxel Multiple Firewalls Path Traversal Vulnerability
- Added to KEV
2024-12-03- Federal due date
2024-12-24- Vendor
- Zyxel
- Product
- Multiple Firewalls
- EPSS
- 87.2th percentile (score 0.030, as of
2026-11-06) - NVD CVSS v3.1
- 7.5 (HIGH)
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2024-11667
CISA short description
Multiple Zyxel firewalls contain a path traversal vulnerability in the web management interface that could allow an attacker to download or upload files via a crafted URL.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
NVD description
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.