CVE-2022-40603

Medium

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.

SeverityMedium
CVSS4.7
Exploit probability—
ProductZyxel Atp800 Firmware
PublishedDec 6, 2022
First seenDec 6, 2022

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
zyxel atp800_firmware4.32 ≤ v ≤ 5.31—
zyxel atp700_firmware4.32 ≤ v ≤ 5.31—
zyxel atp500_firmware4.32 ≤ v ≤ 5.31—
zyxel atp200_firmware4.32 ≤ v ≤ 5.31—
zyxel atp100_firmware4.32 ≤ v ≤ 5.31—
zyxel atp100w_firmware4.32 ≤ v ≤ 5.31—
zyxel usg_flex_100w_firmware4.50 ≤ v ≤ 5.31—
zyxel usg_flex_200_firmware4.50 ≤ v ≤ 5.31—
zyxel usg_flex_500_firmware4.50 ≤ v ≤ 5.31—
zyxel usg_flex_700_firmware4.50 ≤ v ≤ 5.31—
zyxel usg_flex_50w_firmware4.50 ≤ v ≤ 5.31—
zyxel vpn1000_firmware4.30 ≤ v ≤ 5.31—
zyxel vpn300_firmware4.30 ≤ v ≤ 5.31—
zyxel vpn100_firmware4.30 ≤ v ≤ 5.31—
zyxel vpn50_firmware4.30 ≤ v ≤ 5.31—
zyxel usg40_firmware4.30 ≤ v ≤ 4.72—
zyxel usg40w_firmware4.30 ≤ v ≤ 4.72—
zyxel usg60_firmware4.30 ≤ v ≤ 4.72—
zyxel usg60w_firmware4.30 ≤ v ≤ 4.72—

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