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CVE-2024-11667

7.5
HIGHCVSS v3.1 Base Score
28.94%
LOW RiskEPSS (97th percentile)
KEV

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.

Published: 11/27/2024
Modified: 10/27/2025
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ACTIVELY EXPLOITED IN THE WILD

This vulnerability is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability Name:

Zyxel Multiple Firewalls Path Traversal Vulnerability

Vendor / Product:

Zyxel Multiple Firewalls

Required Action:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Due Date: 12/24/2024(OVERDUE)
Ransomware Campaign Use
Added to KEV:

12/3/2024

Notes:

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-protecting-against-recent-firewall-threats-11-21-2024 ; https://nvd.nist.gov/vuln/detail/CVE-2024-11667

Vulnerability Summary

CVSS v3 Score

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Score (Exploitation Probability)

28.94%LOW Exploitation Risk
97th percentile

This vulnerability has a 28.94% probability of being exploited in the next 30 days, ranking higher than 97% of all scored CVEs.

CWE Classification

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