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
- 96.7th percentile (score 0.289, as of
2026-06-08) - NVD CVSS v3.1
- —
- 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.