AUGUST 4, 2026
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Case File

CVE-2022-40603

MEDIUM · CVSS 4.7 EPSS 0.36%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-12-06 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.7. See the original NVD description below for full technical details.

CVE
CVE-2022-40603
Severity
MEDIUM
CVSS
4.7
EPSS
0.36%

Original NVD Description

A cross-site scripting (XSS) vulnerability in the CGI program of Zyxel ZyWALL/USG series firmware versions 4.30 through 4.72, VPN series firmware versions 4.30 through 5.31, USG FLEX series firmware versions 4.50 through 5.31, and ATP series firmware versions 4.32 through 5.31, which could allow an attacker to trick a user into visiting a crafted URL with the XSS payload. Then, the attacker could gain access to some browser-based information if the malicious script is executed on the victim’s browser.

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