CVE-2022-30526

A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.

Affected products

Zyxel Atp Series, Zyxel Usg Flex 100, Zyxel Usg Flex 200, Zyxel Usg Flex 50, Zyxel Usg Flex 500, Zyxel Usg Flex 700, Zyxel Usg/Zywall Series, Zyxel Usg20(W)-Vpn

Zyxel Usg Flex 100w Firmware

≤ 5.30

Fix

Available

CVSS 3.1

7.8 HIGH

EPSS

1.1% (63th percentile)

Weakness

CWE-269

NVD status

Modified

Published

2022-07-19