AUGUST 4, 2026
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Case File

CVE-2025-9133

HIGH · CVSS 8.1 EPSS 5.40%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2025-10-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.1. Exploitation may require the attacker to be authenticated.

CVE
CVE-2025-9133
Severity
HIGH
CVSS
8.1
EPSS
5.40%

Original NVD Description

A missing authorization vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.40, USG FLEX series firmware versions from V4.50 through V5.40, USG FLEX 50(W) series firmware versions from V4.16 through V5.40, and USG20(W)-VPN series firmware versions from V4.16 through V5.40 could allow a semi-authenticated attacker—who has completed only the first stage of the two-factor authentication (2FA) process—to view and download the system configuration from an affected device.

Related CVEs

Other vulnerabilities affecting the same vendor(s)