CVE-2022-38547

High

Description

A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.

SeverityHigh
CVSS7.2
Exploit probability—
ProductZyxel Zywall 110 Firmware
PublishedFeb 7, 2023
First seenFeb 7, 2023

How to fix

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

Affected products

ProductAffected versionsFixed in
zyxel zywall_110_firmware4.20 ≤ v ≤ 4.72—
zyxel atp100_firmware4.32 ≤ v ≤ 5.32—
zyxel atp200_firmware4.32 ≤ v ≤ 5.32—
zyxel atp700_firmware4.32 ≤ v ≤ 5.32—
zyxel atp500_firmware4.32 ≤ v ≤ 5.32—
zyxel atp100w_firmware4.32 ≤ v ≤ 5.32—
zyxel atp800_firmware4.32 ≤ v ≤ 5.32—
zyxel usg_flex_50_firmware4.50 ≤ v ≤ 5.32—
zyxel usg_flex_200_firmware4.50 ≤ v ≤ 5.32—
zyxel usg_flex_500_firmware4.50 ≤ v ≤ 5.32—
zyxel usg_flex_700_firmware4.50 ≤ v ≤ 5.32—
zyxel usg_flex_100w_firmware4.50 ≤ v ≤ 5.32—
zyxel usg_flex_100_firmware4.50 ≤ v ≤ 5.32—
zyxel vpn1000_firmware4.30 ≤ v ≤ 5.32—
zyxel usg20w-vpn_firmware4.30 ≤ v ≤ 5.32—
zyxel usg20-vpn_firmware4.30 ≤ v ≤ 5.32—
zyxel vpn50_firmware4.30 ≤ v ≤ 5.32—
zyxel vpn300_firmware4.30 ≤ v ≤ 5.32—
zyxel vpn100_firmware4.30 ≤ v ≤ 5.32—
zyxel usg40_firmware4.20 ≤ v ≤ 4.72—
zyxel usg40w_firmware4.20 ≤ v ≤ 4.72—
zyxel usg60_firmware4.20 ≤ v ≤ 4.72—
zyxel usg60w_firmware4.20 ≤ v ≤ 4.72—
zyxel zywall_1100_firmware4.20 ≤ v ≤ 4.72—
zyxel zywall_310_firmware4.20 ≤ v ≤ 4.72—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.