CVE-2022-30526: high-severity vulnerability in Zyxel USG FLEX 100(W) firmware
Published · Updated
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36Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendcvss 7.8epss 1.1%
from disclosure to weaponsame day
Published on NVDJul 19
metasploitJun 14
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Zyxel · ATP series firmwareZyxel · USG 20(W)-VPN firmwareZyxel · USG FLEX 100(W) firmwareZyxel · USG FLEX 200 firmwareZyxel · USG FLEX 500 firmwareZyxel · USG FLEX 50(W) firmwareZyxel · USG FLEX 700 firmwareZyxel · USG/ZyWALL series firmwareZyxel · VPN series firmwareRelated CVEs — Zyxel USG FLEX 100(W) firmware
In the same product, most dangerous first.