ACTIVELY EXPLOITED
CVE-2024-11667: Zyxel Multiple Firewalls Path Traversal Vulnerability
| Vendor | Zyxel |
|---|---|
| Product | Multiple Firewalls |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Dec 2024 |
| CISA federal deadline | 24 Dec 2024 |
| Ransomware use | Known |
| Weakness (CWE) | CWE-22 |
Required action (CISA's text)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description (NVD)
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.
SOURCES
Other Zyxel flaws
- CVE-2026-7273: Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability
- CVE-2024-40891: Zyxel DSL CPE OS Command Injection Vulnerability
- CVE-2024-40890: Zyxel DSL CPE OS Command Injection Vulnerability
- CVE-2017-6884: Zyxel EMG2926 Routers Command Injection Vulnerability
- CVE-2017-18368: Zyxel P660HN-T1A Routers Command Injection Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.